Collaborative music editor that everybody can start using by simply clicking a link. And actually here is the link: http://rockby.net/en/s/0N8CKdw7
RockBy.Net allows creating notes and playback the result immediately, adjust notes over and over again before getting a fine melody, attract other musicians to help with different instruments and collaborate in real time.
The service is oriented on musical bands of all different genres, beginners interested in studying how to play popular songs and individual musicians willing to share their talent.
The number of unique daily visitors reaches 3k.
The examples of a folk creativity can be found on the main page of the project - http://rockby.net