The Bubbaruka Soundtrack is now available! Enjoy the tunes of your terror!
https://store.steampowered.com/app/3616880/Bubbaruka_Soundtrack/
Additionally, a new bundle is now available called "Bubbaruka! Deluxe Edition", which comes with both the game itself and its soundtrack for a discounted price!
https://store.steampowered.com/bundle/52668/Bubbaruka_Deluxe_Edition/