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.
Michael Tilson Thomas and the San Francisco Symphony have received yet another Grammy nomination in the Best Orchestral Performance category, this time for the in-house recording of John Adams' Harmonielehre and Short Ride in a Fast Machine.