I just realized that I haven't graced the fediverse yet with knowledge of the amazingly cursed software that is pMusic: a music player from the Puppy Linux project that is built entirely in Bash(!), yet has a GUI with fully-featured playlist management and advanced features like discography management and automatic YouTube searching and streaming!
The source code can be found here: https://github.com/puppylinux-woof-CE/woof-CE/tree/testing/woof-code/rootfs-packages/pmusic/usr/local/pmusic
Small server part of the pixie.town infrastructure. Registration is approval-based, and will probably only accept people I know elsewhere or with good motivation.