About Us : SEACO MUSIC was established in Sumter,South Carolina in 1946 as The Sumter Electric Appliance Company. We no longer have the appliances but we got the electronics covered. We are a full service music store, personal and professional.We hope you find your visit both entertaining and informative. Before you purchase your next amp, guitar, bass or any other musical related item, give us the opportunity to quote you a price. We are getting pretty good at beating the competition.