Listen to Piano Concerto No. 1 in D minor, Op. 15: Rondo Allegro non troppo online. Piano Concerto No. 1 in D minor, Op. 15: Rondo Allegro non troppo is an English language song and is sung by Hungarian State Symphony Orchestra. Piano Concerto No. 1 in D minor, Op. 15: Rondo Allegro non troppo, from the album Piano Concerto No. 1 / Nursery Variations, was released in the year 1996. The duration of the song is 12:56. Download English songs online from JioSaavn.