Not that I knew that before coming across this item, but pandiatonicism is the technique of using the diatonic (as opposed to the chromatic) scale, without the limitations of functional tonality. Perhaps not especially useful information, except to appreciate this amazing pandiatonic random orchestra website.
The collection of videos coming up can be used individually or in combination — just click on the starting arrows, and then use the sliding scales to adjust the volume and create your own mix.
"In Bb 2.0" is a collaborative music and spoken-word project by Darren Solomon, developed with contributions from users, in collaboration with NSU in South Dakota.