Audio Hero - Over 250,000 royalty free music & sound effects for videos
Concertmaster - Classical music front-end for Spotify
TunePocket - Download 11,000+ royalty free music tracks and sound FX. Buy once, use forever. New music added daily. Save over 50% compared to most popular similar services. Incredible value!
Music-Map - The Music-Map is the Tourist Map of Music, part of Gnod, the Global Network of Discovery.
Free Music Archive - Interactive library of high-quality, legal audio downloads
Poly-graph Hip Hop - See what hip hop's billboard top 10 sounded like