[ magnetic and optical disk players specifically adapted for use with player pianos and other electronic musical instruments; disks pre-recorded with music data in MIDI (Musical Instrument Digital Interface) file format; ] pre-recorded media for operating and playing player pianos and other electronic musical instruments [ ; downloadable music data for operating and playing player pianos and other electronic musical instruments provided from a computer network; computer software for operating...

EDUCATIONAL SERVICES, NAMELY, CONDUCTING CLASSES, SEMINARS, AND WORKSHOPS AT THE PRIMARY LEVEL IN THE FIELD OF OPERA, MUSIC AND LITERATURE