spotify - Spoitfy and Echo Nest API Mismatches, How to Fix? -

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i using spotify , echo nest apis audio information songs. basic flow is:

  1. search song spotify's api using track title , artist name
  2. get spotify url track response
  3. query echo nest api audio summary, using spotify id

this has been working long time. in past few months have noticed more , more tracks cannot found in echo nest api given spotify id.

here's example today. sufjan stevens's track "chicago"

search on spotify.http://ws.spotify.com/search/1/track.json?q=artist:sufjan%20track:chicago first result gives spotify id: spotify:track:7bo0xlcxwx3pdhqwthqgaz

query echo nest spotify id: http://developer.echonest.com/api/v4/song/profile?api_key=v91crteb0ifmajbmb&track_id=spotify:track:7bo0xlcxwx3pdhqwthqgaz&bucket=audio_summary

(for url used example api key, can see result. of course in app using own api key.)

the response "the identifier specified not exist: spotifyv2-zz:track:spotify:track:7bo0xlcxwx3pdhqwthqgaz"

but echo nest does have track in database, because can search it, , spotify ids: http://developer.echonest.com/api/v4/song/search?api_key=v91crteb0ifmajbmb&format=json&results=1&artist=sufjan&title=chicago&bucket=id:spotify&bucket=tracks (but spotify id returned echo nest not same 1 returned spotify.)

is there way me fix this?

im noticing same issue- did use echo nest's search instead, allows both @ once. 1 less api call!

for track in search_tracks:     results = nest.get('song/search', artist=track['artist'],         title=track['title'], bucket='audio_summary')     if results['songs']:         tracks.append(results['songs'][0])

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