We can select mathematical constants representations in various number bases and map it's digits to musical notes to be played.
We can also use custom numbers, so you won't be sad if I didn't put your favorite mathematical constant in there. But it's relatively easy to add new constants in there. We just need to have it's representations from base 2 to 12 with 2048 digits each.
This reproduces the music I've setted in this YouTube video: https://www.youtube.com/watch?v=eP3_NioYP5U
This reproduces the music I've setted in this YouTube video: https://www.youtube.com/watch?v=jNM7feiMpFg