find music brainz metadata by fingerprint and then try fetch coverart

find_metadata_by_fingerprint.js

var acoustid = require('acoustid');
var CA = require('coverart');

var ca = new CA({userAgent:'test/0.0.1 ( http://github.com/user/test )'});
acoustid(process.argv[2], { key: '8XaBELgH' }, callback);

function callback(err, results) {
  if (err)
    throw err;
  var artist = results[0].recordings[0].artists[0].name;
  console.log(JSON.stringify(results, null, 2));

  for (var x = 0; x < results[0].recordings[0].releasegroups[0].releases.length; x++) {
    var item = results[0].recordings[0].releasegroups[0].releases[x];

    console.log('finding coverart for: ' + item.title + ' - ' + item.id);
    ca.release(item.id, function(err, response) {
      console.log(JSON.stringify(response, null, 2));
    });
  }
}