Cloudbursts by Eric Whitacre
Cross rhythms such as 5 against 4 or 7 against 8 are common.
Using one key for the right hand, another key for the left hand.
Non-traditional scales
Irregular time signatures
John Cage Dice Random notes
Putting objects in the piano to create new sounds on the strings or using the piano for knocking or tapping as part of the music.
5/4 or 7/8
Prepared piano
Chance Music
Polyrhythms
Cluster chords
Bitonality
Blues scales or modes
