Listen to Organ Concerto No. 2 in B-Flat Major, Op. 4 HWV 290: II. Allegro online. Organ Concerto No. 2 in B-Flat Major, Op. 4 HWV 290: II. Allegro is an English language song and is sung by Daniel Moult. Organ Concerto No. 2 in B-Flat Major, Op. 4 HWV 290: II. Allegro, from the album Handel at Vauxhall, Volume 1, was released in the year 2016. The duration of the song is 4:56. Download English songs online from JioSaavn.