This application plays zero, one, two, or three sound tracks simultaneously and such that the user can customize the beat pitch (i.e. monotone sound wave frequency) and the beat duration (i.e. time interval in which the same tone is played immediately in succession) of each one of those three sound tracks.
Select Beat Duration: ???
Select Beat Pitch: ???
Select Beat Duration: ???
Select Beat Pitch: ???
Select Beat Duration: ???
Select Beat Pitch: ???