Musical instruments; string instruments; guitars; musical instruments incorporating arrangements for producing audio signals; musical instruments incorporating arrangements for modifying audio signals; electronic apparatus for synthesising music [musical instrument]; accessories for musical instruments; accessories for musical instruments; accessories for stringed instruments; accessories for guitars; fingerboards for stringed musical instruments; strings for musical instruments; tuning apparatus for musical instruments; pegs for musical instruments; stands for musical instruments; guitar armrests; cases for musical instruments; straps for musical instruments; guitar picks; music stands; parts and fittings for musical instruments; parts and fittings for string instruments; parts and fittings for guitars.