[HN Gopher] Show HN: I built a site that lets users find playlis...
___________________________________________________________________
Show HN: I built a site that lets users find playlists by songs
they contain
Author : NomadicDaggy
Score : 237 points
Date : 2022-10-10 11:30 UTC (11 hours ago)
(HTM) web link (playlists.dags.dev)
(TXT) w3m dump (playlists.dags.dev)
| e-clinton wrote:
| Apple Music already has this feature. Does Spotify not?
| NomadicDaggy wrote:
| Other people have made similar tools, but Spotify still hasn't
| added any native playlist-search-by-tracks AFAIK.
| wintermutestwin wrote:
| Could you point me to some detail on how to actually do this in
| AM?
| theschwa wrote:
| Thank you so much for this! I've always wanted this capability,
| and I plan on making extensive use of it.
| NomadicDaggy wrote:
| Awesome, glad you like it!
| dailyplanet wrote:
| Spotify already has a "Discovered On" section on the Artist page
| which has playlists that include the artists.
| ArcaneMoose wrote:
| Spotify API is pretty cool. I created https://hotkeyplayer.com/
| with it to quickly map keys to playlists and launch them with the
| press of a button. Used for switching music during D&D sessions
| ThreePinkApples wrote:
| Lol, the first song I searched for game 0 results. (Searched for
| "More With You").
|
| Oh and a bug: If I first search for something and get a result,
| then enter a new search and scroll down before this new search
| has completed, it starts searching for page 2-7 of this new
| search term. Even better if you've already triggered the search
| for page 2-7 on that first term. If you then scroll down after
| updating the search, it is now searching for page 8-11 of that
| new search term :)
| NomadicDaggy wrote:
| Thanks, I registered the issue on GitHub.
| brumm wrote:
| Amazing! Something I've been meaning to build myself and now I
| don't have to. I'd like to echo the need for multiple song search
| --my use case for this was good playlists in cafes where I want
| to identify the playlist based on 1-3 shazam'd songs.
| NomadicDaggy wrote:
| Thanks and noted! :)
| brent_noorda wrote:
| Love it. This is one of the primary features that RDIO had that I
| miss in Spotify, because it allows for discovering songs, as in
| "if someone likes this song enough to add it to a song list, I
| wonder what else they like". I look forward to the indexing to
| increase, because many of my favorites aren't in your index yet.
| (And they what would it be like if you cooold enter two or more
| song titles?)
| nickstinemates wrote:
| This is really nice. I especially like the feature that let's
| your drag a song from a UI into the app. Very handy.
|
| Vibin to a new playlist now.
| hsur8192 wrote:
| This is neat! I built a similar service that basically uses song
| playlist co-occurrence to generate song recommendations for any
| given Spotify track, and have found some good initial success for
| more popular tracks / artists [1].
|
| The bottleneck here is using the Spotify API to find relevant
| playlists - as others have noted here, Spotify's API doesn't
| provide a way to perform direct lookup of playlists containing a
| given track, so the best approach I've found is to perform many
| text-based searches for desired search terms (e.g. artist, song
| name), and then do breadth-first-search on playlists created by
| the same users from the initial result set, in order to find
| other playlists that might have the artist or song you are
| looking for.
|
| [1] Available in very limited fashion at https://vybe.link; this
| is a Spotify beta application so the full app only works for
| whitelisted Spotify accounts
| oedstero wrote:
| I'd love to see a playlist of songs you don't have in any
| playlist.
| davidktr wrote:
| What do I have to do after entering a song? Pressing Enter does
| nothing (Firefox, Safari, MacOS).
| NomadicDaggy wrote:
| As other people have noted, the site is missing a loading
| indicator and currently, very many people are trying to access
| it, so you are doing everything correctly, just currently
| requests take upwards of 30 seconds to process.
| davidktr wrote:
| thanks
| krzyk wrote:
| Thanks, I was wondering what I'm doing incorrectly (Firefox,
| Linux).
| oliv__ wrote:
| It's kind of mind boggling to me that Spotify doesn't offer this
| themselves. Seems like use case 101
| chimen wrote:
| You have spotify radio which is very similar.
| NomadicDaggy wrote:
| There's a post in their official forums with 60+ pages from
| 2012, but they state that there's not enough demand...
| myself248 wrote:
| Like literally everything in their forums. There's a reason I
| dropped them.
| shtopointo wrote:
| This feedback is coming from someone that wants to discover new /
| unknown bands in specific genres. I have a playlist of new /
| unknown bands I've discovered over the years, but searching with
| your tool didn't give back anything.
|
| The playlist in case you want to use it for testing later:
| https://open.spotify.com/playlist/5DcbwcCkBde68RgsxO2Sn2
|
| Ideas for improvement:
|
| * autocomplete
|
| * autocomplete with song, artist and album image
|
| * allow for search by track & artist name
|
| * match up one of my playlists with a playlist you have in your
| DB
| megablast wrote:
| Got excited. Saw it was Spotify. No longer excited.
| lagrange77 wrote:
| Cool!
|
| I Would love something like this for Youtube.
| mellowhype wrote:
| it doesn't work for me. that, or I feed it obscure songs.
| xiavan405 wrote:
| Spotify sorely needs this feature. Great work!
| jonas-w wrote:
| I think searching by the spotify song id / song link, would be
| easier in my opinion, as I couldn't really find what i was
| looking for.
| NomadicDaggy wrote:
| That functionality already exists, but is prompted for only on
| large screens, because I didn't think anybody would use it on
| mobile. And thanks for the feedback!
| jonas-w wrote:
| Thanks, checked it out on my laptop. Great stuff!
| teddyh wrote:
| _Spotify_ playlists.
| fluxinflex wrote:
| I once built a site that used Spotify playlist data directly. The
| intention was that you could take one of your own playlist and
| find playlists that have the greatest overlaps. The intention was
| to find people with a similiar musical taste to yourself.
|
| Interestingly I found a lot of new music that way and also found
| other music directions that suddenly interested me.
|
| Thinking this a little further, it provides the perfekt basis for
| a dating application. Music is a very personally representation
| of oneself and if you find someone who has the same muscial
| taste, you already have a common basis for communication.
|
| Obviously this never made it past developer status since Spotify
| does not like third party apps storing their data (i.e. playlists
| of other people). You can use the data but not store it or
| analyse it.
|
| It made me think that Spotify should build a dating app since
| they would have no interest in keeping you in their dating app as
| thats not their main business, unlike other dating platforms that
| have little interest in losing their customers.
| WinstonBites wrote:
| stats.fm app has a matching service using spotify stats that
| sound similar to what you are describing
| blfr wrote:
| > Thinking this a little further, it provides the perfekt basis
| for a dating application. Music is a very personally
| representation of oneself and if you find someone who has the
| same muscial taste, you already have a common basis for
| communication.
|
| I don't think a shared taste in music is that important, or at
| all, in a relationship but this is the premise of aptly named
| Tastebuds[1], a dating app based around favorite music. You can
| import your listening data from Last.fm and Spotify.
|
| [1] https://tastebuds.fm/
| fluxinflex wrote:
| True, there are definitely people who don't place any
| importance on music but for those that do, musical taste can
| be very important in a relationship.
|
| So, no music taste isn't ultimate be-all-and-end-all factor
| but for some it can be very important!
|
| Tastebuds seems only to have a facebook login - hm, not
| everyone uses FB! Strange that they don't have a Spotify
| login, probably the same issues that other apps face when
| they start to store Spotify data.
| blfr wrote:
| You can register by email and then import your info from
| Spotify.
| 1123581321 wrote:
| In isolation, perhaps not, but musical taste plus another
| characteristic can say a lot about someone. (I might be
| biased because my future wife caught my attention when I
| overheard her say she liked a certain band in a group setting
| where most people hadn't heard of it.)
|
| Spotify doesn't have its claws in real-life gatherings yet,
| but they might have something with their music (personality)
| and podcasts (interests, affiliations) data.
| heavytea21475 wrote:
| What does someone's music say about their personality?
| antihero wrote:
| If someone likes a lot of niche stuff and more complex,
| less accessible music, they are likely to take passion
| for music more seriously as a hobby than somoene who just
| listens to chart stuff (not that there's anything wrong
| with that per-say, but I feel being that level of passive
| would lead to incompatibility).
|
| Certain genres and scenes are also linked to demographics
| and lifestyles (e.g. hyperpop being very queer leaning,
| chiptunes being nerdy, punk being political, bassline and
| techno being linked to the underground rave scene,
| etc...)
|
| Also if one of your favourite things is going to gigs and
| festivals, producing music, or following it, having
| crossover in taste means being able to share a passion.
|
| A large part of my relationship with my partner is
| listening to music, either at home on the hi-fi, or at
| events. If we didn't have a decent amount of crossover,
| this wouldn't really work.
|
| Having _exactly the same_ taste is probably not so great
| as I think the differences and gaps are a great space to
| grow and discover.
| nope96 wrote:
| Openness to new things? Variety is the spice of life, how
| spicy are they?
| nonameiguess wrote:
| You can base a relationship on plenty of other things, but
| shared interest in _something_ is pretty important. Music can
| be a big one for a lot of people. My wife and I met at a
| KMFDM show, and traveling to music festivals is still the
| biggest social thing we have going on at all. Doing that
| without her would be a lot less gratifying than doing it with
| her.
| Ntrails wrote:
| I feel like there is a difference between sharing a love of
| music and sharing a love of the _same_ music. I believe I
| would struggle with someone who loved no music and /or with
| whom there was zero overlap. But I'd not expect to love the
| same things
| gernb wrote:
| Somewhat agreed. Basically I found most people learn to like
| the music of their latest romantic partner.
|
| I think partly it's just familiarity. There are plenty of
| "classics" I didn't really like when they came out but now
| they bring a feeling of nostalgia so even though they weren't
| "me" back then, for some reason they now feel like part of
| me, my history, my experience.
| tuzemec wrote:
| Remember last.fm? If I remember correctly, it was able to show
| other profiles with similar music taste.
| Inversechi wrote:
| It still does - in the Neighbours view.
| mbrameld wrote:
| Isn't that how Spotify originally did their discover playlists?
| Seems like I remember they took the songs you listened to most
| frequently, found playlists other users have made containing
| that song, then looked for songs you haven't listened to on the
| platform yet that frequently appeared in playlists with the
| songs you play frequently.
| jedberg wrote:
| We had the same idea about reddit years ago. Letting people opt
| into "dating" and then sending them matches of people who
| upvote similar articles. We were even building the recommender
| on the same technology. Not sure why we didn't do it, I guess
| we just didn't have the time.
| NomadicDaggy wrote:
| Interesting idea!
|
| Slightly off-topic, but originally I had planned to organically
| grow the playlist count by allowing users to login with their
| Spotify account and reading their playlists. I even made a
| prototype...but turns out Spotify only allows working with user
| data once you have your API quota extended, which seemed like
| quite the undertaking.
| fluxinflex wrote:
| Yer their quote system is a bit painful. I built a bunch of
| background jobs that continually retrieved data ... max'ed
| out the quote limit constantly.
|
| I even went as far as setting a second developer account to
| have a larger limit ;)
|
| I also did a writeup[1] on lessons learnt in case someone is
| interested in rinsing and repeating on this idea.
|
| [1]=https://gregorius.rippenstein.art/works/hamoni
| NomadicDaggy wrote:
| I'll check out the write-up, thanks. As for user-data, the
| request count limit is not even the limiting factor. If you
| want to request data with a users token, you can't at all,
| without getting a quota extension (apart from 25 pre-
| registered developer users).
| Kkoala wrote:
| https://tunemeet.com/ has kind of similar idea, it matches you
| to other people who are listening to the same song at the
| moment. Or to people who have some of the top 5 songs as you
| mariusor wrote:
| Back in the day we used last.fm (nee audioscrobbler.com) for
| this. :)
|
| I have a largish group of friends that I met through similar
| tastes in music and being "neighbours" on last.fm.
| pks016 wrote:
| Found some playlists for a few songs. But doesn't work for
| others. Says Spotify track link should look like
| 'https://open.spotify.com/track/22numbersOrLetters'
| NomadicDaggy wrote:
| It seems that within 10ish minutes the site has already been
| hugged to near-death. Thank You :D
| starkd wrote:
| Good start, but I'm not sure how song title can extract
| meaningful similar songs. I put in "Big Time" (song by Peter
| Gabriel) and it came back with a list of songs from a variety of
| genres. From smooth jazz selections to songs by Bjork. I think
| you really need a machine learning approach that categorizes
| songs by their signal content into categories.
| [deleted]
| NomadicDaggy wrote:
| Thanks for the feedback! You are supposed to click on a song to
| see playlists it contains. Sorry for the unclear UI.
| starkd wrote:
| ahh I see. Yeah that makes more sense.
| urbandw311er wrote:
| Nice start - I think there is ultimately some value in this
| approach, but currently seems quite limited in its functionality,
| for example I can only choose one song? This results in a very
| large set of results to wade through, many of which will not be
| helpful or relevant.
|
| Personally I'd get far more value if I could chuck in 3-4
| favourite songs and see which playlists contains all of them (or
| order by greatest number of matches first); this would allow me
| to more accurately match my tastes to discover a potentially new
| bunch of other songs I might like.
|
| If there is a way to match against more songs, apologies! The
| post title implies there is, but the site seems to suggest it's
| limited to one song.
| myself248 wrote:
| Ditto, this is what I thought it was -- the title says "by
| songS they contain", not "by a song they contain".
|
| I really want to see if anyone else has Left Hand Free and Pop
| Muzik on a playlist together, and if they've found any _other_
| songs that contain eeny-meeny-miney-moe in the lyrics and made
| a playlist of them like I have...
|
| (Here's another oddball one, if you're a puzzle type. Bring The
| Magic - Steve Wynn. So It Goes - Nick Lowe. Roadrunner Once -
| Jonathan Richman. Heavy Metal - Sammy Hagar.)
| 1-more wrote:
| I have extremely niche playlists like this: male and female
| presenting singers shouting the same lyrics at the same time,
| songs with cheerleaders in the background, songs by two or
| more NYC area rappers about high seas piracy. For your list
| consider adding "Hot" by Liili in which the lyrics code
| switch Russian and English but do contain "eeny-meeny-money."
| NomadicDaggy wrote:
| Thank you for the feedback!
|
| It is currently limited to one song, but there is already an
| issue on github planning multiple song selection. Just haven't
| gotten around to it yet.
|
| As for over-abundance of results, sorting by name length in
| ascending order should help at least somewhat, but the search
| approach is an open problem.
|
| As an aside: on large screens there is also an option to choose
| a specific song by dragging it from the Spotify client.
| hammock wrote:
| How does this work on mobile? There's no submit form button
| NomadicDaggy wrote:
| Thanks for the feedback, I'll add a button. For me it works
| just by pressing "enter" on the mobile keyboard, but admittedly
| I didn't test it very thoroughly.
| hammock wrote:
| Maybe I tested it during hug of death. Return "worked" (I
| could press it) but there was no indication given even by the
| browser progress bar that anything was happening as a result
| nsbk wrote:
| This is very convenient, but it didn't work well for me on the
| first attempt. The song I used is called "Love", from Colour
| Haze.
|
| > Found 32646 tracks.
|
| Yikes. Adding the artist to the search yields 0 results, and
| since it only loads a number of results until you scroll to the
| bottom of the page, I could not find the track I wanted.
|
| It would be great to have the option to specify the author
| somehow
| odysseus wrote:
| Thanks for this! I tried 3 songs and they came back not found.
| But on the 4th, I got a good hit! (Mix of Progressive, Deep House
| & Trance, designed for High Intensity Focus & Created for my
| Medical School Studying by Austin Nguyen)
|
| https://playlists.dags.dev/tracks/7xdkou0YaNLW9hWXU9MRcR/pla...
|
| Tried a bunch more without success. Granted, I like a lot of
| obscure electronica.
| aantix wrote:
| I've maintained a playlist for years of my favorite sad songs.
|
| Mostly acoustic and piano based, lesser-known songs. Please add
| it to your index.
|
| https://youtube.com/playlist?list=PLhMrEC5L8T4FmbQP78B5gzEJh...
| NomadicDaggy wrote:
| Currently the site only works with Spotify tracks and
| playlists. If you care to create a public spotify playlist,
| I'll gladly add it in.
| illwrks wrote:
| This is great, I popped in a song title from a band I like and
| found a playlist with some tracks that sound really good!
| santiagobasulto wrote:
| This is very helpful! I've searched for this in the past. There's
| sometimes one song I like and I'd like to find more like that.
|
| Something useful I found is the "Go to song radio" in Spotify,
| that creates kind of a "dynamic" playlist with similar songs.
| NomadicDaggy wrote:
| Thank you very much!
|
| I also use the Spotify radios a lot, but they are heavily
| curated - they contain a lot of songs that you already have in
| a playlist or have liked. So they are useful for listening, but
| slightly less for strictly music discovery.
| its_bbq wrote:
| I use radios in a hybrid approach. I'll make a radio, find a
| song I like, and then go play the album through and let
| Spotify start recommending, and repeat. Tends to make enough
| variety to get me to all sorts of interesting places
| mackorone wrote:
| Cool project!
|
| I maintain an archive of Spotify playlists, scraped daily via
| GitHub Actions: https://github.com/mackorone/spotify-playlist-
| archive.
|
| If you're willing to share, I'd love to hear about your
| experience with the Spotify API. What endpoints do you use? How
| often do you call them? How do you handle rate limiting? Has
| Spotify reached out regarding storing playlist data (being in
| violation of their terms of service)? Any other lessons or
| advice?
|
| Additionally, I wonder if there's any opportunity for
| collaboration here. Perhaps you can use the archive to fill out
| your dataset? Maybe it can act as a cache for your system's
| scraping needs? Perhaps our Web UIs could link to each other or
| be combined somehow (https://spotifyplaylistarchive.com/)?
|
| > Currently we keep track of 18378 Spotify playlists
|
| How did you find all of these playlists? Querying Spotify for
| "Spotify"-owned playlists gives me less than 5000 results. I'd
| love to add more playlists to my archive but I don't have good
| discovery mechanisms, especially for non-Spotify-owned playlists.
| sva_ wrote:
| I tried it with a few tracks from a very popular playlist ('Yoga
| Electronica').
|
| First track couldn't be found. Second track could be found, but
| it couldn't find the aforementioned playlist (with almost 200k
| likes). Third song also can't seem to be found.
|
| So I'm thinking that the indexing is not complete. Unless I
| misunderstand something.
| NomadicDaggy wrote:
| Thanks for the feedback!
|
| Currently the database contains only ~18k playlists and ~1.4M
| tracks. So only the relationships between them are used in the
| app.
|
| Edit: theres even a counter at the top of the page, but it
| takes a while to show up, because of the HN effect.
| dawnerd wrote:
| When on dark mode the results are really card to read fyi.
|
| Love this concept, way quicker than using the "found on" in the
| Spotify app - which doesn't even always work that well.
| NomadicDaggy wrote:
| Thanks for the feedback, I'll look into it.
| joelennon wrote:
| Nice idea. I'd recommend adding some kind of visual indicator
| when it's in a loading state - at first I thought it wasn't
| working but it was just slow to respond (probably because it's
| close to the top of HN right now...)
| NomadicDaggy wrote:
| Thanks for the feedback!
|
| The loading indicator is also on the list, TBH was supposed to
| go up before ShowHN, but I forgot. And yeah, now the query
| execution wait time for my measly 2-core postgres instance is
| about 30 seconds :D.
| parski wrote:
| I tried a song called "Chase Init_" by dragging and dropping but
| it doesn't work. A Wingdings-song isn't a problem though for some
| reason.
| fbn79 wrote:
| For that I regularly use this free service
| https://www.chosic.com/spotify-playlist-search-tool-by-song-...
| NomadicDaggy wrote:
| This is alternate approach, that uses an advanced Google search
| under the hood. It works very approximately, given that it
| searches the song title in everything Google decides to index.
| fbn79 wrote:
| Thank you, was not aware of how it works
| NomadicDaggy wrote:
| I'm not a 100% on how it works myself, just a stong hunch
| based on the site speed and results.
| bugmen0t wrote:
| Nice idea. Out of curiosity, which song inspired you to build
| this site?
| NomadicDaggy wrote:
| To be honest I can't remember anymore, it was a few years back
| that I initially got the idea for it. Might have been Alone by
| The Upbeats.
| waingake wrote:
| I made a site to record and vote on playlists sorted by last
| updated as well as popularity https://playlists.mohiohio.com
| mcv wrote:
| Nice timing. I need a good danceable rock playlist by the end of
| the week. I could create my own, or I could use some danceable
| rock songs to find an existing playlist.
| NomadicDaggy wrote:
| Great to hear! Just not that the site is very unresponsive
| right now, thanks to all the HN love. So probably a good idea
| to bookmark it and come back later.
| icosian wrote:
| I have wished for something like this, so I tried it out, using
| _Beauty Beats_, by Beats Antique. I got one of your own playlists
| - what are the odds?!
|
| Works great, thank you!
| NomadicDaggy wrote:
| Awesome, thanks!
| fny wrote:
| Can someone please build an inverse recommendation system? These
| recommender systems are too good at giving me things similar to
| what I've already heard.
| helsinkiandrew wrote:
| I need something that can find the song from my out of tune, only
| partially remembered humming
| dewey wrote:
| SoundHound used to do that, looks like it can still be used
| through: https://www.midomi.com
| soco wrote:
| Why "used to"? The SoundHound (Android) app is still
| around...
| dewey wrote:
| I just briefly looked at their website and saw the B2B
| pivot. Wasn't sure if the app is still around, but upon
| closer inspection it seems like it is.
| mtwshngtn wrote:
| Melodic contours might help you[0]--you only need to remember
| if the tune goes up or down.
|
| [0]: https://www.musipedia.org/melodic_contour.html
| NomadicDaggy wrote:
| https://www.reddit.com/r/NameThatSong/ might be able to help
| with that
| LanceH wrote:
| I always thought something like this for movies that contain a
| favorite song might reveal a hidden gem or two.
| hahamrfunnyguy wrote:
| Cool concept. The site seems to be succumbing to the HN effect.
| There should be some kind of loading indicator on the first
| search, it didn't seem to be doing anything but when I went to
| close out the page there were results. I typed "One Beer" into
| search and a lot of duplicate entries came up.
| NomadicDaggy wrote:
| Thanks for the feedback! The loading indicator is an overlook
| on my side and you are not the only one that noticed :D. I seem
| to have been very naive about how HN might affect the site.
| opheliate wrote:
| This kind of thing has always seemed quite interesting (and
| worrying!) to me from an OSINT perspective. It seems like if you
| just know a couple of some anonymous person's favourite songs
| from various genres, you could identify possible Spotify accounts
| they may also own. As far as I can tell, it's basically
| impossible to discuss anything remotely personal online without
| jeopardizing pseudonymity.
| bqmjjx0kac wrote:
| It's kind of horrifying to learn that it only takes 33 bits of
| information to uniquely identify any living human on the
| planet. log2(8e9) ~= 32.9.
| OJFord wrote:
| If it helps (with the horror I mean), that's just a sort of
| lower bound of course - if you could choose your bits
| carefully and ideally (and I suppose they'd probably be
| pretty weird (to a human) and overlapping/multi-dimensional,
| like 'lives in Europe or Antarctica' or 'uses macOS and is
| female') which of course you couldn't.
|
| i.e. in practice, for practical metrics, it probably takes a
| lot (I'm not going to guess how many) more.
| nmilo wrote:
| Most people that know my taste in music already have my spotify
| because they're my friends and I gave it to them. As for
| worrying about pseudonymity, spotify lets you hide listening
| activity and make all your playlists private.
| status200 wrote:
| What data would be useful from finding someone's Spotify? I
| dont use it so I'm not sure what details can be compromised.
| myself248 wrote:
| Because there's a good chance they use the same username on
| other services. If you didn't already know that, now you
| might.
| opheliate wrote:
| Yep, plus I know a lot of my friends using Spotify login
| using Facebook, which displays their full name & profile
| photo. Also followers/following lists are public, so if you
| can find a close contact of theirs who is less serious
| about opsec, you're that much closer to their actual
| identity. This is only really relevant to the truly
| paranoid who try to use a different identity for every
| service.
| stall84 wrote:
| Spotify has had a pretty awesome public api for a while
| nsteel wrote:
| It looks great on paper but the quotas and lack of support make
| it painful to use outside of toys. The dev forums are full of
| these complaints, and before that the github repos were too. We
| are long overdue being moved to another platform so they can
| more legitimately ignore the same old support issues and
| requests they don't intend to solve. Websockets is a good
| example, libspotify successor another. Frustrating.
| lemax wrote:
| I use 1001 tracklists for this - you can search by track and it
| will surface DJ sets where the song was played.
|
| https://www.1001tracklists.com/
| canadiantim wrote:
| Thanks god, been waiting for this concept to be implemented in a
| better way
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