This song is pretty cheerful for a game like this.

Boy oh boy oh boy oh boy oh boy oh bot oh boy oh boy oh boy oh boy oh boy oh boy oh boy oh boy oh boy

This is the full soundtrack to LISA 
Credit to: Widdly 2 Diddly

Widdly 2 Diddly - LISA Soundtrack - 64 The Highway King

Widdly 2 Diddly - LISA Soundtrack - 61 Tallgrass Tussle

Songs used: Kozilek - Luftrauser from Luftrausers and Widdly 2 Diddly - Beam Brain from LISA.