ref: 42cfe3d36192aca4d0c4ca222be0088c03236e0d dir: /audio/sfx/horn_drill.asm/
SFX_Horn_Drill_Ch7: unknownnoise0x20 3, 146, 49 unknownnoise0x20 3, 178, 50 unknownnoise0x20 3, 194, 51 unknownnoise0x20 8, 241, 84 endchannel