It was the most recent of Persichetti's hurpsichord works and missioned by Larry Palmer. The Prelude,Episode Bagutelle Arioso, and Capriccio movements total about 7 1/2 minutes. For college, conservatory, professional. medium-dif.There is no stopping an idea or harpsichord sonata whose time has come. This, was the latest bloom in the past few years' flowering of Persichetti harpsichord works, was commissioned for Linda Kobler. About 10 min. For college, conservatory, professional. Difficult.