'kay... That soundtrack definitely sounds like open space, heh.
Build Your Rocket - Bitcrash drums in the background? LOVE IT! A mix of groove and something ambient-atmospheric + fish screams..... miracle!
Blast-Off!!! - Uh... Uh. That sounds like, uh. well. it sounds like, uh.
KABOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOM
Open Space - Kaboom ended with a tune that's probably playing in BMO's head
Cool!
P.S. RAWR