! cluster.scl ! 13-tone 5-limit Tritriadic Cluster 13 ! 25/24 9/8 6/5 5/4 4/3 36/25 3/2 25/16 8/5 5/3 9/5 15/8 2/1 !This set of notes is sufficient to play all 8 species of the Ellis Trichordals !(ma.ma.ma. through mi.mi.mi.) of the 3 types, D->T, M->T, and D->M with 1/1 asa !common tonic. By modal rotation, all 56 modes of each type are playable. The !D->M contain 2 each of 6,7,and 8 tone scales; the other type only 7 tone scale. !For further symmetry, add 25/18 to make 14 tones.