Listen to Cello Concerto No. 1: III. Allegro non troppo, ma passionato online. Cello Concerto No. 1: III. Allegro non troppo, ma passionato is an English language song and is sung by Gregor Horsch. Cello Concerto No. 1: III. Allegro non troppo, ma passionato, from the album Rontgen: Cello Concertos (Complete), was released in the year 2013. The duration of the song is 8:58. Download English songs online from JioSaavn.