diff --git a/code/__DEFINES/flags.dm b/code/__DEFINES/flags.dm
index 189f792ceb1..e4a02c3ac0d 100644
--- a/code/__DEFINES/flags.dm
+++ b/code/__DEFINES/flags.dm
@@ -35,6 +35,9 @@ GLOBAL_LIST_INIT(bitflags, list(1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 204
 #define INITIALIZED				(1<<9)
 /// Atom is admin spawned
 #define ADMIN_SPAWNED			(1<<10)
+/// get_hearers_in_view() returns us, meaning we intercept usually for-players messages. Mobs, mechas, etc should all have this!
+#define HEAR					(1<<11)
+
 
 //Flags for items (equipment) - Used in /obj/item/var/item_flags
 #define THICKMATERIAL			(1<<0)	// Prevents syringes, parapens and hyposprays if equipped to slot_suit or slot_head.
diff --git a/code/__HELPERS/game.dm b/code/__HELPERS/game.dm
index b502e1c6634..ea734f1c089 100644
--- a/code/__HELPERS/game.dm
+++ b/code/__HELPERS/game.dm
@@ -67,6 +67,31 @@
 
 	return heard
 
+/proc/get_hearers_in_view(R, atom/source)
+	var/turf/T = get_turf(source)
+	. = list()
+	if(!T)
+		return
+	var/list/processing = list()
+	if(R == 0)
+		processing += T.contents
+	else
+		var/lum = T.luminosity
+		T.luminosity = 6
+		var/list/cached_view = view(R, T)
+		for(var/mob/M in cached_view)
+			processing += M
+		for(var/obj/O in cached_view)
+			processing += O
+		T.luminosity = lum
+	var/i = 0
+	while(i < length(processing))
+		var/atom/A = processing[++i]
+		if(A.flags & HEAR)
+			. += A
+			SEND_SIGNAL(A, COMSIG_ATOM_HEARER_IN_VIEW, processing, .)
+		processing += A.contents
+
 /proc/isStationLevel(var/level)
 	return level in GLOB.using_map.station_levels
 
diff --git a/code/datums/looping_sounds/_looping_sound.dm b/code/datums/looping_sounds/_looping_sound.dm
index 95007a17dd3..64ed16006dc 100644
--- a/code/datums/looping_sounds/_looping_sound.dm
+++ b/code/datums/looping_sounds/_looping_sound.dm
@@ -78,7 +78,7 @@
 	var/list/atoms_cache = output_atoms
 	var/sound/S = sound(soundfile)
 	if(direct)
-		S.channel = open_sound_channel()
+		S.channel = SSsounds.random_available_channel()
 		S.volume = volume
 	for(var/i in 1 to atoms_cache.len)
 		var/atom/thing = atoms_cache[i]
diff --git a/code/game/mecha/mecha.dm b/code/game/mecha/mecha.dm
index aaca6a7c8a7..ec5dda9ffd4 100644
--- a/code/game/mecha/mecha.dm
+++ b/code/game/mecha/mecha.dm
@@ -16,6 +16,7 @@
 	name = "Mecha"
 	desc = "Exosuit"
 	icon = 'icons/mecha/mecha.dmi'
+	flags = HEAR
 	density = 1 //Dense. To raise the heat.
 	opacity = 1 ///opaque. Menacing.
 	anchored = 1 //no pulling around.
diff --git a/code/modules/instruments/instruments/item.dm b/code/modules/instruments/instruments/item.dm
index 2af35a93ca3..d17afad58ff 100644
--- a/code/modules/instruments/instruments/item.dm
+++ b/code/modules/instruments/instruments/item.dm
@@ -5,8 +5,10 @@
 //	max_integrity = 100
 //	resistance_flags = FLAMMABLE
 	icon = 'icons/obj/musician.dmi'
-	lefthand_file = 'icons/mob/inhands/equipment/instruments_lefthand.dmi'
-	righthand_file = 'icons/mob/inhands/equipment/instruments_righthand.dmi'
+	item_icons = list(
+		slot_l_hand_str = 'icons/mob/inhands/equipment/instruments_lefthand.dmi',
+		slot_r_hand_str = 'icons/mob/inhands/equipment/instruments_righthand.dmi'
+		)
 	var/datum/song/handheld/song
 	var/list/allowed_instrument_ids
 //	var/tune_time_left = 0
@@ -229,7 +231,7 @@
 	icon_state = "harmonica"
 	item_state = "harmonica"
 	allowed_instrument_ids = "harmonica"
-	slot_flags = ITEM_SLOT_MASK
+//	slot_flags = ITEM_SLOT_MASK
 	force = 5
 	w_class = WEIGHT_CLASS_SMALL
 //	actions_types = list(/datum/action/item_action/instrument)
diff --git a/code/modules/instruments/instruments/stationary.dm b/code/modules/instruments/instruments/stationary.dm
index 8575604d0e1..af7e78cd111 100644
--- a/code/modules/instruments/instruments/stationary.dm
+++ b/code/modules/instruments/instruments/stationary.dm
@@ -35,11 +35,21 @@
 	. = ..()
 	song.ui_interact(user)
 
+/obj/structure/musician/attackby(obj/item/I, mob/living/user)
+	if(I.is_wrench())
+		playsound(src, O.usesound, 50, 1)
+		to_chat(user, "<span class='notice'>You begin to [anchored? "loosen" : "tighten"] [src]'s casters...</span>")
+		if(do_after(user, 40 * O.toolspeed))
+			user.visible_message("<span class='notice'>[user] [anchored? "loosens" : "tightens"] [src]'s casters.</span>")
+			anchored = !anchored
+	else
+		return ..()
+
+/*
 /obj/structure/musician/wrench_act(mob/living/user, obj/item/I)
-	anchored = !anchored
-	user.visible_message("<span class='notice'>[user] [anchored? "anchors" : "unanchors"] [src].</span>")
-	//default_unfasten_wrench(user, I, 40)
+	default_unfasten_wrench(user, I, 40)
 	return TRUE
+*/
 
 /obj/structure/musician/piano
 	name = "space minimoog"
diff --git a/code/modules/instruments/songs/play_synthesized.dm b/code/modules/instruments/songs/play_synthesized.dm
index 4d19ae4b395..375e2c91daf 100644
--- a/code/modules/instruments/songs/play_synthesized.dm
+++ b/code/modules/instruments/songs/play_synthesized.dm
@@ -80,7 +80,7 @@
 	last_channel_played = channel_text
 	for(var/i in hearing_mobs)
 		var/mob/M = i
-		M.playsound_local(get_turf(parent), null, volume, FALSE, K.frequency, INSTRUMENT_DISTANCE_NO_FALLOFF, FALSE, channel, null, copy, /datum/client_preference/intrument_toggle, distance_multiplier = INSTRUMENT_DISTANCE_FALLOFF_BUFF)
+		M.playsound_local(get_turf(parent), null, volume, FALSE, K.frequency, INSTRUMENT_DISTANCE_NO_FALLOFF, FALSE, channel, null, copy, /datum/client_preference/instrument_toggle, distance_multiplier = INSTRUMENT_DISTANCE_FALLOFF_BUFF)
 		// Could do environment and echo later but not for now
 
 /datum/song/proc/terminate_all_sounds(clear_channels = TRUE)
diff --git a/code/modules/mob/mob_defines.dm b/code/modules/mob/mob_defines.dm
index 6fab1270840..be0202fe339 100644
--- a/code/modules/mob/mob_defines.dm
+++ b/code/modules/mob/mob_defines.dm
@@ -3,7 +3,7 @@
 	layer = MOB_LAYER
 	plane = MOB_PLANE
 	animate_movement = 2
-	flags = PROXMOVE
+	flags = PROXMOVE | HEAR
 	var/datum/mind/mind
 
 	var/stat = 0 //Whether a mob is alive or dead. TODO: Move this to living - Nodrak
diff --git a/sound/weapons/banjoslap.ogg b/sound/weapons/banjoslap.ogg
new file mode 100644
index 00000000000..06a86a535dd
Binary files /dev/null and b/sound/weapons/banjoslap.ogg differ
diff --git a/sound/weapons/stringsmash.ogg b/sound/weapons/stringsmash.ogg
new file mode 100644
index 00000000000..ea96bc0b50b
Binary files /dev/null and b/sound/weapons/stringsmash.ogg differ