Fugue - Free and premium stock music for your videos, games, and UI
SoundBetter - Marketplace for musicians and music production professionals
Soundstripe - Unlimited music for video
RecordGram - A studio and production marketplace in the palm of your hand
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!
PrimoMusic - An iTunes alternative made to manage iPhone/iPod media files