The music is part of the 2.1 update of SurvivalCraft 2. The music is similar to relaxing Indian music. It is only played when you are paused or in the menu system.
Adjust the music volume
A. When playing:
1. Pause the game
2. Tap the [...] button and then tap SETTINGS.
3. Tap the AUDIO button and move the slider of the Music Volume to the left to mute or right to unmute.
B. In main menu:
1. Tap Settings
2. Do step 3 in section A.