Tracks (layers in the video workspace) are information containers. They can contain any number of parts. Each scene can have an unlimited number of tracks.
The tracks in Turbo Play are polymorphic. Each track can contain any sort of data
parts (midi, audio, visualization, image, video, etc) and can contain an unlimited number of audio channels. There is no concept of "audio track", "midi track" or "mono/stereo track" in Turbo Play.
When in video workspace, tracks are layers. Each layer also has: