In March 2014, the firm was acquired by Spotify in a stock deal of considerable size. The Echo Nest powers intelligent digital music applications for online music companies based on its one-of-a-kind âMusical Brainâ. The Musical Brain is a machine learning platform that actually listens to music and reads about music from every corner of the web to radically improve music search, recommendation and interactivity. The firm's advisors include the leadership of Bose, DirecTV and XM Satellite Rad