Listen to Flute Concerto in G Major, TWV 51:G1: III. Adagio online. Flute Concerto in G Major, TWV 51:G1: III. Adagio is an English language song and is sung by Karl Kaiser. Flute Concerto in G Major, TWV 51:G1: III. Adagio, from the album Telemann: The Complete Wind Concertos, was released in the year 2015. The duration of the song is 2:14. Download English songs online from JioSaavn.