1 6 5 6 7 July 8, 2019 16 32 64 128 6 1 5 3 6 7 1 5 6 7 8 1 5 6 7 make 21 1 2 5 6 7 6 1 5 6 7 8 9 1 5 6 7 chord progression 1 5 6 7 9 1 5 6 7 3 4 1 5 6 7 4 1 5 6 7 3 8 1 5 6 7 12 1 5 6 7 21 1 5 6 75 1 6 5 7 as a fraction
