CloudMoosic:Online Music Collection Manager is an easy-to-use online music website that helps users collect your favorite music and generate compilations to share with other friends or music lovers, supporting music resources from RDIO, Soundcloud, Spotify, deezer and other websites.

The site is currently in beta, and requires a The site is currently in beta testing and requires a Beta Key to register, but keep an eye on his Twitter feed and I believe it will be open for use soon, for users who like foreign music this music management tool is very easy to use.