<http://schema.org/image>
<http://rack.1.mshcdn.com/media/ZgkyMDEyLzEyLzA0LzVjL3RoZWVjaG9uZXN0LmRjcS5qcGcKcAl0aHVtYgkxMjAweDYyNyMKZQlqcGc/444454e5/ee9/the-echo-nest-makes-music-id-technology-available-to-all-developers-c97dc7cee7.jpg>
<http://mashable.com/2011/06/23/echoprint/>