ref: a3b6d69efc96f41f82a5b9c5dbe4eff3c9f84118 dir: /audio/sfx/switch_1.asm/
SFX_Switch_1_Ch5: duty_cycle 2 square_note 4, 0, 0, 0 square_note 2, 15, 1, 1664 square_note 1, 0, 0, 0 square_note 4, 15, 1, 1920 square_note 4, 0, 0, 0 sound_ret