Scriptname aa_yourscriptname extends ObjectReference
{Change scriptname if u want.}

Actor Property PlayerREF Auto
Musictype Property MusicREF Auto ; Set the musictype property, musictype MUST have the "Play One Selection" flag set.
int InUse
int Property Duration Auto ; Set this in properties as length of your song.

Event OnActivate(ObjectReference akActionRef)
	if (akActionRef == PlayerREF)
		if (InUse == 0) ; Check if Musicbox is playing
		InUse = 1
		Self.BlockActivation(true)
		MusicREF.Add()
		RegisterForSingleUpdate(Duration)
	endif
EndEvent

Event OnUpdate()
	InUse = 0
	Self.BlockActivation(false)
	MusicREF.Remove() ; Cleanup music just in case
EndEvent