title: How can I share an audio mp3 file on facebook?
body: <p>I want to share an audio mp3 file using faceboo api. I need to share it with my friends and on my wall.
  Once on the facebook profile, I need to be able to play the audio file when i click on it.</p>
  
  <pre><code>$link = "link to some mp3 file";
  function streamPublish(name){
          FB.ui({
            method: 'stream.share',
            attachment: {
              name:'Louis Dousset viens de t\'envoyer un message gr&amp;acirc;ce &amp;agrave; la Sweet Machine',
              caption:'Caption',
              description:"Desc",
  
              "media": [{
              "type": "mp3", 
              "src": $link, 
              "title": "", 
              "artist": "", 
              "album": "",
              "href": ""
          }]
  
            },
            display: 'page'
          });
      }
  </code></pre>
  
  <p>I am using the above function.
  I am getting not able to get the mp3 url;
  How can I sort this out?</p>