Abstract: A method for multi-track file sharing and editing, comprising receiving from client devices audio records documenting audio tracks of a multi-track project, upon receiving at least one of the audio records: performing a temporal synchronization of a respective the audio record with previously received audio tracks, updating an interactive graphical interface that includes concentric track control elements to share the common center with the respective concentric control element and to reflect the temporal synchronization, each of the plurality of concentric control elements has bar elements arranged in a sequence and associated with a the audio segments of one of the audio tracks, identifying at least one user selection indicative of a group of the audio segments of one of the bar elements, and editing the group of the audio segments according to user editing instructions.