Listen to Concerto for Harpsichord in A Major: III. Rondo - Alegretto (Arr. Karl Hermann Pillney) online. Concerto for Harpsichord in A Major: III. Rondo - Alegretto (Arr. Karl Hermann Pillney) is an Instrumental language song and is sung by Olga Erdeli, Gennady Rozhdestvensky and Grand Symphony Orchestra of All-Union National Radio Service and Central Television Networks. Concerto for Harpsichord in A Major: III. Rondo - Alegretto (Arr. Karl Hermann Pillney), from the album Olga Erdeli. Dittersdorf, Mozart, Roussel, Damase, Grandjany, was released in the year 2017. The duration of the song is 4:06. Download Instrumental songs online from JioSaavn.