Six quartettos, three for the harpsichord, violin, tenor, & violoncello, and three for the harpsichord, two violins & violoncello, opera 21, By Felice Giardini.
Digital page turners for sheet music are devices designed to help musicians navigate their scores without interruption while they play. These devices are particularly useful for pianists, chamber musicians, and instrumentalists who cannot afford to manually turn the pages of their music.