tag	line	file	source code
expression_vol	66	drivers/sound/gus_wave.c	int             main_vol, expression_vol, patch_vol;
expression_vol	503	drivers/sound/gus_wave.c	voices[voice].expression_vol = 127;
expression_vol	994	drivers/sound/gus_wave.c	voices[voice].expression_vol,
expression_vol	1148	drivers/sound/gus_wave.c	voices[voice].expression_vol = value;