Momixa - Pick two songs and get the perfect mix
Musish - A web client for Apple Music
Music Suggestions Ninja - Enter an artist's name & find similar, lesser known artists
feverTunes - A web player for Apple Music support adding tags to playlist
Boil the Frog - Create a seamless playlist between any two artists
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.