Port Baystruments PR from tgstation

code/modules/instruments/objs/structures/_musician.dm

@@ -0,0 +1,47 @@
+/obj/structure/musician
+	name = "Not A Piano"
+	desc = "Something broke!"
+	var/can_play_unanchored = FALSE
+	var/list/allowed_instrument_ids
+	var/datum/song/song
+
+/obj/structure/musician/Initialize(mapload)
+	. = ..()
+	song = new(src, allowed_instrument_ids)
+	allowed_instrument_ids = null
+
+/obj/structure/musician/Destroy()
+	QDEL_NULL(song)
+	return ..()
+
+/obj/structure/musician/attack_hand(mob/user)
+	add_fingerprint(user)
+	tgui_interact(user)
+
+/obj/structure/musician/tgui_data(mob/user)
+	return song.tgui_data(user)
+
+/obj/structure/musician/tgui_interact(mob/user)
+	song.tgui_interact(user)
+
+/obj/structure/musician/tgui_act(action, params)
+	if(..())
+		return
+	return song.tgui_act(action, params)
+
+/obj/structure/musician/wrench_act(mob/living/user, obj/item/I)
+	default_unfasten_wrench(user, I, 40)
+	return TRUE
+
+/**
+  * Whether the instrument should stop playing
+  *
+  * Arguments:
+  * * user - The user
+  */
+/obj/structure/musician/proc/should_stop_playing(mob/user)
+	if(!(anchored || can_play_unanchored))
+		return TRUE
+	if(!user)
+		return FALSE
+	return !CanUseTopic(user, GLOB.physical_state)

code/modules/instruments/objs/structures/piano.dm

@@ -0,0 +1,22 @@
+/obj/structure/piano
+	parent_type = /obj/structure/musician // TODO: Can't edit maps right now due to a freeze, remove and update path when it's done
+	name = "space minimoog"
+	icon = 'icons/obj/musician.dmi'
+	icon_state = "minimoog"
+	anchored = TRUE
+	density = TRUE
+	allowed_instrument_ids = "piano"
+
+/obj/structure/piano/unanchored
+	anchored = FALSE
+
+/obj/structure/piano/Initialize(mapload)
+	. = ..()
+	if(prob(50) && icon_state == initial(icon_state))
+		name = "space minimoog"
+		desc = "This is a minimoog, like a space piano, but more spacey!"
+		icon_state = "minimoog"
+	else
+		name = "space piano"
+		desc = "This is a space piano, like a regular piano, but always in tune! Even if the musician isn't."
+		icon_state = "piano"