RecordGram - A studio and production marketplace in the palm of your hand
Audio Hero - Over 250,000 royalty free music & sound effects for videos
Melosity - Melosity offers an online music studio that enables musicians to collaborate on a single or multiple tracks from anywhere in the world.
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!
Audulus - A universe of sound at your fingertips - Audulus is a modular music processing app
Premiumbeat - Premiumbeat.com provides high quality Royalty Free Music.