Listen to Trumpet Concerto in D Major, TWV 51:D7: IV. Allegro online. Trumpet Concerto in D Major, TWV 51:D7: IV. Allegro is an Unknown language song and is sung by Mainz Chamber Orchestra, Gunter Kehr and Heinz Zickler. Trumpet Concerto in D Major, TWV 51:D7: IV. Allegro, from the album Classical Selection - Telemann & Sammartini : Concertos for Viola & Trumpet Concertos, was released in the year 2016. The duration of the song is 1:47. Download Unknown songs online from JioSaavn.