Listen to Piano Concerto No. 3 in C Major Op. 26: III. Allegro Ma Non Troppo online. Piano Concerto No. 3 in C Major Op. 26: III. Allegro Ma Non Troppo is an English language song and is sung by Julius Katchen, Orchestre De La Suisse Romande and Ernest Alexandre Ansermet. Piano Concerto No. 3 in C Major Op. 26: III. Allegro Ma Non Troppo, from the album Ernest Alexandre Ansermet Gold, was released in the year 2013. The duration of the song is 8:31. Download English songs online from JioSaavn.