ref: a548c1d097d222c7ec791561c833511828404b4f dir: /music/sfx/sfx_02_5b.asm/
SFX_02_5b_Ch1: ; 8447 (2:4447) duty 2 unknownsfx0x10 90 unknownsfx0x20 15, 241, 0, 3 unknownsfx0x10 8 endchannel ; 0x8452