Apple Music Web App - Apple Music is now available to stream on the web
Digital Concert Hall - Stream live classical music concerts to your mobile devices
Tempso - Finally a place for classical music online!
Apple Music - Apple Music app combines your personal iTunes library with Apple's music subscription service. Music you have purchased from the iTunes store, or synced over from other sources, is available in the "Library" tab. Read more about Apple Music.
Musish - A web client for Apple Music
Spotify - Map shows when two people play same song at same time