The entirety of the Vast Error soundtrack. Even if you don't care for the webcomic, the soundtrack has some real bangers, mixed with a good dose of weird, experimental music.
Anything by Call Security. They are an amazing band who put out some really good music, but unfortunately, they disbanded a few years ago. https://www.youtube.com/watch?v=x-97hc4kIlE
ANY APPOLO REEVES SONG!! My favorite song's of his are: https://www.youtube.com/watch?v=Dx0chl1si-k https://www.youtube.com/watch?v=UoBjA1QbFKI https://www.youtube.com/watch?v=X1ylSfvOVkc This guy is so underrated, only around 100 Spotify followers and around 60-100 likes per video, he definitely is one of my favorite American artist and I love his style of music. He puts a lot of his own experiences into his lyrics and I'm so happy I discovered this guy.
Alright, my friend would probably be embarrassed at me posting this, but here is a song that he wrote: https://www.youtube.com/watch?v=hGwxO7wRKgw Can we get it over 100 views!