The OS21CQTBL 21- chord autoharp plays in eleven different keys. The patented chord bar configuration makes it easy to learn and to continue to play for years to come. This is one of our most popular models. quality, history and tradition. The Oscar Schmidt autoharp is the original, with over 100 years of history behind it. A wide variety to choose from. Oscar Schmidt is truly the original and only complete source for the autoharp. Premium woods, quality hardware and modest prices Create an ideal instrument. Each is inspected and adjusted in the USA by a skilled technician, your assurance for smooth fret ends, precision low action and resonant sound quality. Unequaled standards, Easy playing comfort and tone response creates the perfect value.