Echo Nest's Musical Brain API(developer.echonest.com)4 points·by mattyfo·16 ปีที่แล้ว·1 commentsdeveloper.echonest.comEcho Nest's Musical Brain APIhttp://developer.echonest.com/1 commentsPost comment[–]mattdennewitz·16 ปีที่แล้วreplyhands down one of my favorite apis on the web