Educational
I use the Audio Orchestrator in the classroom, and the pieces below might be useful for others.
Sinetones
Sinetones uses 12 different voices with various sinetones from 200Hz to 211Hz fading in & out. You can explore the beatings change depending on which combination of tones you are closest to.
Spatial Map
SpatMap is a collection of about 16 different sounds that should be distributed randomly in the room. Which ones can we locate easily, which ones we can't, and why?
Harmonic Series
The Harmonic Series uses 12 different sinetones of the harmonic series starting at 261.63Hz fading in & out.