If you want to get data json from soundcloud you can use Grab-soundcloud
first install Grab-soundcloud in your project
npm install grab-soundcloud --save

How to use

var soundcloud = require('grab-soundcloud');

Get Track Detail

soundcloud.getTrackDetail('URL SONG', function(err, doc) {
 // output
 console.log(doc);
});

Get Playlist Detail

soundcloud.getPlaylistDetail('URL PLAYLIST', function(err, doc) {
 // output
 console.log(doc);
});

Get All Track In Playlist

soundcloud.getTracksPlaylist('URL PLAYLIST', function(err, doc) {
 // output
 console.log(doc);
});

Get Author Detail

soundcloud.getAuthorDetail('URL PLAYLIST', function(err, doc) {
  // output
  console.log(doc);
});

If you have any idea for this module you can contribute in github https://github.com/creativefull/grab-soundcloud