Listen to Sonata for Two Pianos in D Major, K. 448: I. Allegro con spirito online. Sonata for Two Pianos in D Major, K. 448: I. Allegro con spirito is an Instrumental language song and is sung by Heinrich Neuhaus, Nikolai Golovanov, Grand Symphony Orchestra of All-Union National Radio Service and Central Television Netw... and Stanislav Neuhaus. Sonata for Two Pianos in D Major, K. 448: I. Allegro con spirito, from the album Russian Piano School, Vol. 1, was released in the year 2002. The duration of the song is 10:55. Download Instrumental songs online from JioSaavn.