Handpull musical instrument comprising housing parts for treble and bass connected by a bellows (1), associated sound and/or signal producing equipment and mechanical parts, and comprising a treble keyboard (4) installed in the treble housing (2) and a bass keyboard (5) installed in the bass housing (3), wherein the treble housing (2) is configured as an columnar hollow body (6) in angular design, which is open on the bellows side and opposite thereto comprises an opening (7) for receiving a treble cover (8), wherein the treble cover (8) is arranged so as to be aligned at an acute angle to an instrument central plane (M) between the two housing parts (2, 3), such that the treble housing (2) is tapered towards the instrument front face (V) and, thereby, the treble cover (8) is displaced towards the front and the treble cover (8) forms the treble keyboard (4).