Listen to IV. Thunderstorm. Allegro online. IV. Thunderstorm. Allegro is an English language song and is sung by Staatskapelle Dresden and Herbert Blomstedt. IV. Thunderstorm. Allegro, from the album STAATSKAPELLE DRESDEN - Legendary Masterworks Recordings, was released in the year 2009. The duration of the song is 3:42. Download English songs online from JioSaavn.