[ Tuning apparatus for musical instruments; ] guitars [ ; guitar capos; Chinese guitars; musical instruments; stands for musical instruments; cases for musical instruments; tuning keys for musical instruments; picks for stringed instruments; strings for musical instruments; pegs for musical instruments; music stands; auxiliary articles for musical instruments, namely, bridges, bows, straps, guitar pickups; electric guitars; electronic musical instruments; stringed musical instruments; musical instruments, namely, string basses ]