Oscar Schmidt is the world's biggest autoharp manufacturer, and the OS21C is one of their most popular models. w/ 21 chords, a resonant maple body and rock maple pin block, and the handcrafted quality Oscar Schmidt are known for, it's a solid, affordable autoharp that's built to last. From its early beginnings in the 1900s, the Oscar Schmidt Company has offered an instrument w/ a voice representing individual freedom for American Folk Music. w/ a wide variety of models to choose from, Oscar Schmidt is truly the original and only complete source for the Autoharp. The OS21C 21-chord classic is one of Oscar Schmidt's most popular models and w/ good reason. As a chromatic 21-chord model, it offers three rows of buttons, meaning quick, smooth chord transitions. Oscar Schmidt's patented chord bar button layout includes A, D, G, C, F, Bb, Eb and A Major; E, A, D, G, and C Minor; along w/ B, E, A, D, G, C, F, and Bb Seventh Chords. This autoharp features select maple construction and is finished in an attractive sunburst gloss. A rock maple pin block provides serious strength, to assure your autoharp is always in tune.Features: " 21-chord autoharp w/ select maple body in gloss sunburst finish." Rock maple pin block for strength and solid tuning." Chromatic 21-chord bar w/ three rows of buttons." Oscar Schmidt's most popular autoharp model." Rock maple Pin Block." Maple body, 21 chords.