Abstract: An adjustable pedal extension device for a piano and methods for use. An adjustable clamp member is configured couple to a piano pedal. A pedal extension member is adjustably coupled to a clamp member for horizontal movement of at least one end of the pedal extension. An adjustable member is configured to selectively fix the pedal extension into a fixed position in relation to the clamp member after adjustment is made. A piano muffler kit includes a sound effect pad comprising at least one sound effect layer. A muffler rail dampening element is coupled to a piano in the engagement path of a muffler rail.