Abstract: A musical instrument of the stringed kind having a hollow sound box formed of a top plate, bottom plate and side walls. A string supporting bridge is mounted on the top plate and has two feet which are spaced apart transversely of the instrument. A sound post extends between the top and bottom plates and is connected to one foot of the bridge through an opening formed in the top plate. The opening and the connection are related so that there is no impediment to movement of the top plate in the region of the opening. By way of example, the post may extend through the opening to effect the connection with the bridge foot, in which event clearance will be provided between the post and the opening.