Capos; Guitars; Plectrums; Acoustic guitars; Bags specially adapted for holding musical instruments; Electric basses; Electronic musical instruments; Guitar accessories, namely, guitar slides; Guitar bridges; Guitar parts, namely, guitar slides; Guitar playing assistance devices, namely, a sliding clamp-like structure positioned onto the guitar neck to form and sound guitar chords and notes; Guitar saddles; Guitar straps; Music boxes; Musical instrument stands; Musical instrument tuning appar...