ref: 70dde9d96b0e3025c72ae29783e94c56fa5cbe1c dir: /audio/sfx/ledge_1.asm/
SFX_Ledge_1_Ch1: duty 2 unknownsfx0x10 149 unknownsfx0x20 15, 242, 0, 4 unknownsfx0x10 8 endchannel