Etude:d=32,o=6,b=64,l=15:c,d,b5,d,a5,d,g5,d,f5,d,g5,d,a5,d,b5,d,16c,16p,8p,8p,8p,c,d,b5,d,a5,d,g5,d,f5,d,g5,d,a5,d,b5,d,16c,16p,8p,8p