YC Startup Class - A live, one-hour class by Sam Altman on Platzi
Concertmaster - Classical music front-end for Spotify
CS183B - Startup Class - Stanford class taught by Sam Altman & guest speakers
Classical - A classical music interface for Apple Music
Radiohere - Hand curated multi lingual online radio stations
Music-Map - The Music-Map is the Tourist Map of Music, part of Gnod, the Global Network of Discovery.