Chicago, IL, 1864-1980s. Music retailer which claimed to be the “World’s Largest Music House.” Sold Regina music boxes, Otto disc-operated Pianette mechanical pianos, Majestic 44-note coin pianos, all types of pianos, organs and other instruments, rolls, sheet music, and accessories. Its trade names included Empress, Washburn, and others.
MBSI
Musical Box Society International