Atomic Music buys, sells and trades used guitars, basses, keyboards, drums, amplifiers, and other musical instruments and gear of all kinds at our Beltsville, Maryland location. Check out our store and you'll find tons of instruments including acoustic, classical, and electric guitars, basses, amplifiers, drum kits, percussion instruments, synthesizers, keyboards, samplers, PA equipment, speaker cabinets, and accessories (strings, straps, cables etc.).