Music For Makers - Licensing good music has never been this easy.
Loxi - Easily add an events calendar to any website.
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!
Future - Calendar events around the clock
Incompetech - Royalty Free and Creative Commons Music Archive
Whenever - Casual calendar app for iOS