We just released Banzai Escape OST for sell. It's content in-game music and additional bonus & hidden music. Check it out:
http://store.steampowered.com/app/488530
Music in the list:
+ Into War
+ Heavenly Journey
+ Ensemble Anthem
+ The Returning Heroes
+ Glory Symphony
+ Glory Symphony Part 2
+ Melancholy of the villain
+ Critical
+ The Suspense
+ Panic
+ Aspiration
+ Heartbleed
+ Broken Futurama
+ Win