063 Rotation Plate “063 Rotation Plate” has been added to your cart. View Cart Look inside Details Add To Cart Preview Buy (A$2.90) 063 Rotation Plate The Rotation Plate for Altered Scale 063 as found in our eBooks. The COMK Cycle of Movable Keys for music improvisation and composition. 1 pages Post navigationPrevious post: 062 Rotation PlateNext post: 064 Rotation Plate