Headphones, fix unreachable dropoff threshold, etc.

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

@@ -27,12 +27,6 @@
 	user.visible_message("<span class='suicide'>[user] begins to play 'Gloomy Sunday'! It looks like [user.p_theyre()] trying to commit suicide!</span>")
 	return BRUTELOSS
 
-/obj/item/instrument/attack_self(mob/user)
-	if(!user.IsAdvancedToolUser())
-		to_chat(user, "<span class='warning'>You don't have the dexterity to do this!</span>")
-		return TRUE
-	interact(user)
-
 /obj/item/instrument/attack_self(mob/user)
 	tgui_interact(user)
 

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

@@ -0,0 +1,80 @@
+/obj/item/clothing/ears/headphones
+	name = "headphones"
+	desc = "Unce unce unce unce."
+	icon_state = "headphones0"
+	item_state = "headphones0"
+	actions_types = list(/datum/action/item_action/change_headphones_song)
+	var/datum/song/headphones/song
+
+/obj/item/clothing/ears/headphones/Initialize(mapload)
+	. = ..()
+	song = new(src, "piano") // Piano is the default instrument but all instruments are allowed
+	song.instrument_range = 0
+	song.allowed_instrument_ids = SSinstruments.synthesizer_instrument_ids
+	// To update the icon
+	RegisterSignal(src, COMSIG_SONG_START, .proc/start_playing)
+	RegisterSignal(src, COMSIG_SONG_END, .proc/stop_playing)
+
+/obj/item/clothing/ears/headphones/Destroy()
+	QDEL_NULL(song)
+	return ..()
+
+/obj/item/clothing/ears/headphones/attack_self(mob/user)
+	tgui_interact(user)
+
+/obj/item/clothing/ears/headphones/tgui_data(mob/user)
+	return song.tgui_data(user)
+
+/obj/item/clothing/ears/headphones/tgui_interact(mob/user)
+	if(should_stop_playing(user) || user.incapacitated())
+		return
+	song.tgui_interact(user)
+
+/obj/item/clothing/ears/headphones/tgui_act(action, params)
+	if(..())
+		return
+	return song.tgui_act(action, params)
+
+/obj/item/clothing/ears/headphones/update_icon()
+	var/mob/living/carbon/human/user = loc
+	if(istype(user))
+		user.update_action_buttons_icon()
+		user.update_inv_ears()
+	..()
+
+/obj/item/clothing/ears/headphones/item_action_slot_check(slot)
+	if(slot == slot_l_ear || slot == slot_r_ear)
+		return TRUE
+
+/**
+  * Called by a component signal when our song starts playing.
+  */
+/obj/item/clothing/ears/headphones/proc/start_playing()
+	icon_state = item_state = "headphones1"
+	update_icon()
+
+/**
+  * Called by a component signal when our song stops playing.
+  */
+/obj/item/clothing/ears/headphones/proc/stop_playing()
+	icon_state = item_state = "headphones0"
+	update_icon()
+
+/**
+  * Whether the headphone's song should stop playing
+  *
+  * Arguments:
+  * * user - The user
+  */
+/obj/item/clothing/ears/headphones/proc/should_stop_playing(mob/living/carbon/human/user)
+	return !(src in user) || !istype(user) || !((src == user.l_ear) || (src == user.r_ear))
+
+// special subtype so it uses the correct item type
+/datum/song/headphones
+
+/datum/song/headphones/should_stop_playing(mob/user)
+	. = ..()
+	if(.)
+		return TRUE
+	var/obj/item/clothing/ears/headphones/I = parent
+	return I.should_stop_playing(user)

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

@@ -39,7 +39,7 @@
 	icon_state = "guitar"
 	item_state = "guitar"
 	attack_verb = list("played metal on", "serenaded", "crashed", "smashed")
-	hitsound = 'sound/weapons/stringsmash.ogg'
+	hitsound = 'sound/weapons/guitarslam.ogg'
 	allowed_instrument_ids = "guitar"
 
 /obj/item/instrument/eguitar