Fix prefs issue, make banjo available, build tgui

code/modules/instruments/objs/items/instruments.dm

@@ -204,3 +204,13 @@
 	tools = list(TOOL_SCREWDRIVER, TOOL_WIRECUTTER)
 	time = 8 SECONDS
 	category = CAT_MISC
+
+/datum/crafting_recipe/banjo
+	name = "Banjo"
+	result = /obj/item/instrument/banjo
+	reqs = list(/obj/item/stack/sheet/wood = 5,
+				/obj/item/stack/cable_coil = 6,
+				/obj/item/stack/tape_roll = 5)
+	tools = list(TOOL_SCREWDRIVER, TOOL_WIRECUTTER)
+	time = 8 SECONDS
+	category = CAT_MISC

code/modules/instruments/songs/play_legacy.dm

@@ -89,7 +89,7 @@
 	var/sound/music_played = sound(soundfile)
 	for(var/i in hearing_mobs)
 		var/mob/M = i
-		if(!(M?.client?.prefs?.toggles & SOUND_INSTRUMENTS))
+		if(!(M.client.prefs.sound & SOUND_INSTRUMENTS))
 			continue
 		M.playsound_local(source, null, volume * using_instrument.volume_multiplier, falloff = 5, S = music_played)
 		// Could do environment and echo later but not for now

code/modules/instruments/songs/play_synthesized.dm

@@ -62,7 +62,7 @@
 	last_channel_played = channel_text
 	for(var/i in hearing_mobs)
 		var/mob/M = i
-		if(!(M?.client?.prefs?.toggles & SOUND_INSTRUMENTS))
+		if(!(M.client.prefs.sound & SOUND_INSTRUMENTS))
 			continue
 		M.playsound_local(get_turf(parent), null, volume, FALSE, K.frequency, INSTRUMENT_DISTANCE_NO_FALLOFF, channel, null, copy, distance_multiplier = INSTRUMENT_DISTANCE_FALLOFF_BUFF)
 		// Could do environment and echo later but not for now