The Appalachian and Hammered are two types of which traditional musical instrument?
Hammered dulcimer Hammered dulcimer The hammered dulcimer is a percussion-stringed instrument which consists of strings typically stretched over a trapezoidal resonant sound board. The hammered dulcimer is set before the musician, who, in more traditional styles, may sit cross legged on the floor, or at a more modern style of standing or sitting at a wooden stand on legs. The player holds a small spoon shaped mallet hammer in each hand to strike the strings ("cf." Appalachian dulcimer). The Graeco-Roman "dulcimer" (sweet song) derives from the Latin "dulcis" (sweet) and the Greek "melos" (song). The dulcimer, in which the strings are beaten
Musical instrument more artistic approach and develop experimental musical instruments, often meant for individual playing styles developed by the builder himself. Regardless of how the sound in an instrument is produced, many musical instruments have a keyboard as the user-interface. Keyboard instruments are any instruments that are played with a musical keyboard. Every key generates one or more sounds; most keyboard instruments have extra means (pedals for a piano, stops and a pedal keyboard for an organ) to manipulate these sounds. They may produce sound by wind being fanned (organ) or pumped (accordion), vibrating strings either hammered (piano) or plucked (harpsichord), by