I can use the Echo Nest API to retrieve a list of songs with their corresponding artist names, song titles, and Echo Nest song IDs. I have modifie the API call using the "&bucket=id:spotify" code so that the request returns a Spotify artist id. Is there any any way to retrieve Spotify song IDs?

The line of code I am using is: http://developer.echonest.com/api/v4/playlist/basic?api_key=' + ENV['ECHONEST_API_KEY'] + '&song_id=' + URI.escape(@seed) + '&format=json&results=5&bucket=id:spotify&type=song-radio

Hey there,

To get the Spotify track id, add an additional bucket=tracks parameter to that URL.

~Matt

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Hello,

I'm just discovering since a couple of hours the wonderful world of the musical fingerprints and music tags.

So, I downloaded a music from youtube (http://www.youtube.com/watch?v=Zi_XLOBDo_Y : Mickael Jackson - Billie Jean. The same one as used in the doc's examples) with the well known youtube-dl. Then, I've launched an echoprint-codegen command to give me the fingerprint of this song (it's the only information I have : no ID3 tag at all) :

echoprint-codegen mymp3.mp3 > query.json

And I tried to execute a request to the API in order to get much information as I can about my song (artist, year, album, etc.) and complete its ID3 tags :

curl -F "query=@query.json" http://developer.echonest.com/api/v4/song/identify?api_key=MY_API_KEY

But the API is giving me this response :

{"response": {"status": {"version": "4.2", "code": 0, "message": "Success"}, "songs": []}}

So, everithing is ok, exept that there is no song in the list... WTF ?! Did I do something wrong ? Did I misunderstood the functionment of the API ?

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It just says "Loading" indefinitely.

Any insight on why I frequently but not always get an empty list for tracks on this call?

r = requests.get("http://developer.echonest.com/api/v4/song/search?api_key=" + api_key + "&format=json&results=1&artist=" + artist + "&title=" + title + "&bucket=tracks&bucket=id:spotify")
results = json.loads(r.content)

This returns an empty list: results["response"]["songs"][0]["tracks"]

Is it a rate limiting thing? I extended my rate limit, but it's not clear what my limit is now.

Are you URL-escaping your artist and title?

For debugging purposes, you might want to build the url in a string before the call, and print it to see if it's coming out like you intended.

Plus then if you have a specific URL that's not working, you can report it here and we can check it.

Hi I am getting this error. It appears to not recognize my key. Does the enios wrapper not work with iOS 8?

{ response = { status = { code = 1; message = "1|Invalid key: Unknown"; version = "4.2"; }; }; }

Here is the code NSMutableDictionary *params = [NSMutableDictionary new]; [params setValue: @"MY_API_KEY" forKey: @"api_key"]; [params setValue: @"RadioHead" forKey: @"artist"]; [params setValue: @"1" forKey: @"results"];

[ENAPIRequest GETWithEndpoint: @"song/search" andParameters:params andCompletionBlock: ^(ENAPIRequest *request) {
    // deal with the response

}];

My purpose is to identify the song artist uploading 10s recorded track from an Android device.

I record the track using:

recorder = new MediaRecorder();
recorder.setAudioSource(MediaRecorder.AudioSource.CAMCORDER);
recorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);
recorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);
recorder.setAudioEncodingBitRate(256000);
recorder.setAudioSamplingRate(48000);
recorder.setOutputFile(audioFileName);
recorder.setMaxDuration(duration * 1000);

the upload goes well, but I never get the info back in the response. I try 10s, 20s and more. I also try playing with the recorder parameters without any result.

The response I got from the API is

{
    status : {
        version : "4.2",
        code : 0,
        message : "Success"
    },
    track : {
        status : "pending",
        artist : null,
        title : null,
        release : "",
        audio_md5 : "2819c6b48f55b70590bb432c8894db0b",
        bitrate : **160**,
        id : "TRYTNFK149900511A1",
        samplerate : **32000**,
        md5 : "2819c6b48f55b70590bb432c8894db0b"
    }
}

FFMpeg output for the file is

Duration: 00:00:10.03, start: 0.000000, bitrate: **191** kb/s
    Stream #0:0(eng): Audio: aac (mp4a / 0x6134706D), **48000** Hz, mono, fltp, 189 kb/s (default)

So what's wrong with the file? Why the response rate values are different from the FFMpeg output?

Even if the audio quality seams quite good, I never got the artist name.

Hello,

For enios, you need to set the API key separately from the request parameters:

[ENAPIRequest setApiKey: @"YOUR API KEY"]
[ENAPIRequest GETWithEndpoint: etc. etc.]

Hai all! Please help me, can i upload song for analysis when i'm running the application on my smartphone? it works on emulator, but didn't work on my phone. thanks

Hi Glenn,

Unfortunately, I'm still experiencing this problem--but only sometimes. Always using the same two requests, pasted below, with two seconds of sleep time between them for good measure. (From what I gather, I can't combine these two into one and use all three buckets, right?)

response1 = requests.get("http://developer.echonest.com/api/v4/song/search?api_key=" + api_key + "&format=json&results=1&artist=" + artist + "&title=" + title + "&bucket=audio_summary&bucket=id:spotify")

response2 = requests.get("http://developer.echonest.com/api/v4/song/search?api_key=" + api_key + "&format=json&results=1&artist=" + artist + "&title=" + title + "&bucket=tracks&bucket=id:spotify")

Thanks,

Wendy

Hey, can you paste in an actual URL that's not working, without the API key but with everything else? That would really help us see what's happening.

The proper way to use requests might be something like this,

r = requests.get('http://developer.echonest.com/api/v4/song/search', 
                params={'api_key':api_key, 'results':1, 'artist':artist, 'title':title, 'bucket':['audio_summary', 'id:spotify', 'tracks']})

You can then get the data from your response through the json() function on the response itself,

songs = r.json()['response']['songs']

I suspect you're having problems with URL encoding, and passing in a params dictionary instead of trying to build the URL yourself is a good way to make sure you don't need to worry about it. It might also be worthwhile to install Pyen, our Python JavaScript wrapper, and use that instead.

Thanks, Ned. I've been meaning to address that. Kind of you to spell it out for me. Also good to know that I can indeed pass it that 3-combination bucket. I'll give it a try on the below request that isn't working.

>>> r = requests.get("http://developer.echonest.com/api/v4/song/search?api_key=SREB10QN87HZONHAH&format=json&results=1&artist=Billy%20Idol&title=White%20Wedding&bucket=tracks&bucket=id:spotify")

>>> r.content
'{"response": {"status": {"version": "4.2", "code": 0, "message": "Success"}, "songs": [{"title": "White Wedding", "artist_name": "Billy Idol", "artist_foreign_ids": [{"catalog": "spotify", "foreign_id": "spotify:artist:7lzordPuZEXxwt9aoVZYmG"}], "tracks": [], "artist_id": "AR4T2IF1187B9ADBB7", "id": "SOQXORJ13672C5DC2B"}]}}'

Oh, I see. The issue is that you restricted your query to return only 1 result, but our first result doesn't happen to have any Spotify tracks associated with it!

Try getting a few more songs, like 5 or 10, and then iterate through them until you find one that does have Spotify tracks!