William Lewis & Son Co. William Lewis & Son is a well-known musical instrument company based in the United States, specializing in violins and bows. The company was founded in 1874. The violin being offered this time is under the brand name Dancla and is likely an entry-level violin for beginners to intermediate players. It is estimated to be in the 100,000 yen class. The bow is a new, lightweight carbon fiber bow. The strings, rosin, and shoulder rest are also new.