009 Rotation Plate “010 Rotation Plate” has been added to your cart. View Cart Look inside Details Add To Cart Preview Buy (A$2.09) 009 Rotation Plate The Rotation Plate for Altered Scale 009 as found in our eBooks. The COMK Cycle of Movable Keys for music improvisation and composition. 1 pages Post navigationPrevious post: 008 Rotation PlateNext post: 010 Rotation Plate