<script src="jquery.js">
<script src="jquery.jgfeed.js">
<script>
$.jGFeed('http://feeds.feedburner.com/jQueryHowto',
function(feeds){
  // Check for errors
  if(!feeds){
    // there was an error
    return false;
  }
  // do whatever you want with feeds here
  for (var i=0; i < feeds.entries.length; i++) {
    var entry = feeds.entries[i];
    // Entry title
    entry.title;
  }
}, 10);
</script>

{
  "title":"Blog Title",
  "link":"http://www.example.com",
  "author":"Author Name",
  "description":"Blog description.",
  "type":"RSS type (atom10, etc.)",
  "entries":[
    {
      "title":"Blog entry title 1",
      "link":"http://www.example.com/entry-1.html",
      "author":"Post Author Name",
      "publishedDate":"Mon, 25 May 2009 07:07:00 -0700",
      "contentSnippet":"Short blog post snippet ...",
      "content":"Longer snippet of the blog post",
      "categories":[
        "category 1",
        "category 2",
        "category 3"
      ]
    },
    {
      "title":"Blog entry title 2",
      "link":"http://www.example.com/entry-2.html",
      "author":"Post Author Name",
      "publishedDate":"Mon, 25 May 2009 07:07:00 -0700",
      "contentSnippet":"Short blog post snippet ...",
      "content":"Longer snippet of the blog post",
      "categories":[
        "category 3",
        "category 2",
        "category 1"
      ]
    },
    ...
}

//búsqueda por titulo de canción

http://ws.spotify.com/search/1/track?q=hexagram

//búsqueda por artista/grupo

http://ws.spotify.com/search/1/artist?q=Bj%C3%B6rk