Clarionets; Drumsticks; Trumpets; Violins; Xylophones; Balalaikas; Electric bass guitars; Electronic musical instruments; Guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to form and sound guitar chords and notes; Keyboard instruments, namely, piano; Mouthpieces for musical instruments; Piano keyboards; Piano parts, namely, metal movable support arms for piano lids; Stringed musical instruments; Tuning forks