MIDI programming in scheme: supported by an Emacs environment
https://dl.acm.org/doi/10.1145/1890703.1890704
https://sci-hub.se/10.1145/1890703.1890704
Algorithmic Composition: A Gentle Introduction to Music Composition Using Common LISP and Common Music
https://quod.lib.umich.edu/s/spobooks/bbv9810.0001.001/--algorithmic-composition-a-gentle-introduction-to-music