One of the background tracks, presumably by Danimal Cannon.

Playlist:    • Just Shapes & Beats Soundtrack  
Full OST:    • Just Shapes and Beats Full OST (with ...  

Original Name: mus_volcano_ambience.wav
Original Length: 1:32

Just Shapes & Beats by Berzerk Studio
www.justshapesandbeats.com/
www.berzerkstudio.com/

Get this game on Steam, it's really awesome
store.steampowered.com/app/531510/Just_Shapes__Bea…