TAGAP 4 soundtrack is now also available as an illustrated album visualiser:

https://www.youtube.com/playlist?list=PLlSLyzf6JAfv3j9VPXeYbDEpFWEs5YkfP

Music is composed and produced by Petja Heiskanen, with the guest appearance by Funk the Magic Monk. The illustrations are by Jouni Lahtinen, with one based on diegetic art by Poison Sleeper.

And ICYMI, the audio version is already available to download here on Itch.