Capos; Cellos; Guitars; Handbells; Harmonicas; Harmoniums; Pianos; Violins; Conductors' batons; Electric guitars; Guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to form and sound guitar chords and notes; Musical instrument accessories, namely, stands, cases, carrying bags and storage bags; Musical instrument tuning apparatus, namely, machine heads, tuning hammers, tuning keys; Shoulder rests for musical instruments, namely, violins, v...