Prime number sequences played as player-piano style sheet music. There are 24 channels representing the sequences described below. To see the sequences you can go to http://oeis.org/

Excluding 2,3, 5 the primes are equivalent to the following 24 classes:
A224889 Numbers n such that 90n + 91 are prime (Charang MIDI note = 91)
A202116 Numbers n such that 90n + 89 is prime (Charang = 89)
A196007 Numbers n such that 90n + 83 is prime. (Charang = 83)
A202112 Numbers n such that 90n + 79 is prime. (Charang...)
A201822 Numbers k such that 90*k + 77 is prime.
A195993 Numbers n such that 90n + 73 is prime.
A202129 Numbers n such that 90n + 71 is prime.
A201817 Numbers k such that 90*k + 67 is prime.
202113 Numbers n such that 90n + 61 is prime.
A202101 Numbers n such that 90*n + 59 is prime.
A202114 Numbers n such that 90n + 53 is prime.
A201818 Numbers k such that 90*k + 49 is prime.
A201734 Numbers n such that 90*n + 47 is prime
A202105 Numbers n such that 90*n + 43 is prime.
A202104 Numbers n such that 90*n + 41 is prime.
A198382 Numbers n such that 90n + 37 is prime.
A201819 Numbers n such that 90*n + 31 is prime.
A201739 Numbers n such that 90*n + 29 is prime.
A201820 Numbers k such that 90*k + 23 is prime.
A196000 Numbers n such that 90n + 19 is prime.
A202115 Numbers n such that 90n + 17 is prime.
A201816 Numbers k such that 90*k + 13 is prime.
A201804 Numbers k such that 90*k + 11 are prime.
A202110 Numbers n such that 90*n + 7 is prime.

Prime Sequences Near 180,000,000 for MIDI Charang (24-channel = 24 sequences)

J W Jeff Helkenberg