Change the music type on creature wave start and end.

Copy this data and change red text with yours.

{ "$type": "ThunderRoad.MusicWaveSpawnerTransitionModule, ThunderRoad", "ambianceMusicGroupId": "music group type ID", "waveMusicGroupId": "music group type ID" }

ambianceMusicGroupId : Music to play by default.

waveMusicGroupId : Music to play when wave is active