Listen to Sonata for Two Pianos in D Major, K. 448: III. Allegro molto online. Sonata for Two Pianos in D Major, K. 448: III. Allegro molto is an English language song and is sung by Alfred Brendel and Walter Klien. Sonata for Two Pianos in D Major, K. 448: III. Allegro molto, from the album The Signature Series: Wolfgang Amadeus Mozart (Masterpieces from the Genius Composer), was released in the year 2014. The duration of the song is 5:37. Download English songs online from JioSaavn.