6 1-4 7 July 8, 2019 16 32 64 128 6 1 4 7 6 1 4 7 8 6 1 4 75 6 1 4 7 2 3 6 1 4 7 10 6 1 4 7 2 5 6 1 4 7 3 8 1 6 4 7 chord progression 6 1 7 4 5 1 6 4 7 as a fraction 6 1 7 4 3 5 6 1 2 4 7 8 6 1 4 7 1 2 6 2x 1 )= 4 7x 6 1 4 x 7
