104 Rotation Plate “104 Rotation Plate” has been added to your cart. View Cart Look inside Details Add To Cart Preview Buy (A$2.90) 104 Rotation Plate The Rotation Plate for Altered Scale 104 as found in our eBooks. The COMK Cycle of Movable Keys for music improvisation and composition. Post navigationPrevious post: 103 Rotation PlateNext post: 105 Rotation Plate