Listen to Bassoon Concerto in B-Flat Major, K. 191: I. Allegro online. Bassoon Concerto in B-Flat Major, K. 191: I. Allegro is an English language song and is sung by Eckart Hubner. Bassoon Concerto in B-Flat Major, K. 191: I. Allegro, from the album Rosetti: Bassoon Concertos, Vol. 2, was released in the year 2012. The duration of the song is 6:36. Download English songs online from JioSaavn.