ref: 84c7985e67b0838fce04e49a0916aa5a873131b3 dir: /audio/sfx/ledge_1.asm/
SFX_Ledge_1_Ch4: duty 2 unknownsfx0x10 149 unknownsfx0x20 15, 242, 0, 4 unknownsfx0x10 8 endchannel