Between 1932 and Castelnuovo-Tedesco death in 1968, he wrote over a hundred works for the instrument, including sets of variations, concertos, duos,impressionistic pieces of various kinds, and, among his finest solo compositions, the Sonata, Op. 77, 'Omaggio a Boccherini', written at Segovia's request in 1934 for 'a Sonata in four movements. The Sonata is in four movements, but it is mainly in the first movement, Allegro con spirito, one can find the graciousness which was so characteristic of Boccherini.