Listen to Flute Concerto No. 1 in G Major, K. 313: I. Allegro Maestoso online. Flute Concerto No. 1 in G Major, K. 313: I. Allegro Maestoso is an English language song and is sung by Salzburg Soloists and Arife Gülsen Tatu. Flute Concerto No. 1 in G Major, K. 313: I. Allegro Maestoso, from the album A Classical Anthology: Flute (Over 4 Hours), was released in the year 2015. The duration of the song is 10:29. Download English songs online from JioSaavn.