Listen to Flute and Harp Concerto in C Major, K. 299/297c: I. Allegro online. Flute and Harp Concerto in C Major, K. 299/297c: I. Allegro is an Instrumental language song and is sung by Boris Trizno, Elena Sinitsyna, Yevgeny Mravinsky and Leningrad Philharmonic Symphony Orchestra. Flute and Harp Concerto in C Major, K. 299/297c: I. Allegro, from the album Yevgeny Mravinsky. Selected Works, was released in the year 2003. The duration of the song is 9:45. Download Instrumental songs online from JioSaavn.