15 electronic musical keyboards, organs, [electronic guitars, acoustic guitars, guitars,] digital pianos, pedalboards, pianos, musical instruments, stands, music boxes, music synthesizers and electronic sound equipment, namely, electronic music workstations comprising sequencers, electronic processors, [signal delays, electronic echo units] and rhythm units, sound modules for recording and reproducing sounds, monitor speakers, [headphones, volume pedals, sustain pedals,] pedal keyboard