Listen to Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto online. Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto is an English language song and is sung by Pablo Casals and Rudolf Serkin. Cello Sonata No. 3 in A Major, Op. 69: I. Allegro ma non tanto, from the album Ludwig van Beethoven - Platinum Edition (The Greatest Works Ever!), was released in the year 2017. The duration of the song is 13:22. Download English songs online from JioSaavn.