Improves several Sound Loops' Performance

code/game/gamemodes/meteor/meteors.dm

@@ -185,6 +185,9 @@ GLOBAL_LIST_INIT(meteorsC, list(/obj/effect/meteor/dust)) //for space dust event
 
 /obj/effect/meteor/proc/meteor_effect()
 	if(heavy)
+		var/sound/meteor_sound = sound(meteorsound)
+		var/random_frequency = get_rand_frequency()
+
 		for(var/mob/M in GLOB.player_list)
 			if((M.orbiting) && (SSaugury.watchers[M]))
 				continue
@@ -193,7 +196,7 @@ GLOBAL_LIST_INIT(meteorsC, list(/obj/effect/meteor/dust)) //for space dust event
 				continue
 			var/dist = get_dist(M.loc, src.loc)
 			shake_camera(M, dist > 20 ? 2 : 4, dist > 20 ? 1 : 3)
-			M.playsound_local(src.loc, meteorsound, 50, 1, get_rand_frequency(), 10)
+			M.playsound_local(src.loc, null, 50, 1, random_frequency, 10, S = meteor_sound)
 
 ///////////////////////
 //Meteor types

code/game/machinery/dance_machine.dm

@@ -456,10 +456,12 @@
 	if(charge<35)
 		charge += 1
 	if(world.time < stop && active)
+		var/sound/song_played = sound(selection.song_path)
+
 		for(var/mob/M in range(10,src))
 			if(!(M in rangers))
 				rangers[M] = TRUE
-				M.playsound_local(get_turf(M), selection.song_path, 100, channel = CHANNEL_JUKEBOX)
+				M.playsound_local(get_turf(M), null, 100, channel = CHANNEL_JUKEBOX, S = song_played)
 			if(prob(5+(allowed(M)*4)) && M.canmove)
 				dance(M)
 		for(var/mob/L in rangers)

code/game/objects/structures/musician.dm

@@ -71,9 +71,11 @@
 				continue
 			LAZYADD(hearing_mobs, M)
 		last_hearcheck = world.time
+
+	var/sound/music_played = sound(soundfile)
 	for(var/i in hearing_mobs)
 		var/mob/M = i
-		M.playsound_local(source, soundfile, 100, falloff = 5)
+		M.playsound_local(source, null, 100, falloff = 5, S = music_played)
 
 /datum/song/proc/updateDialog(mob/user)
 	instrumentObj.updateDialog()		// assumes it's an object in world, override if otherwise