Listen to Duetti for Flute and Clarinet: Allegro ma non troppo ben marcato online. Duetti for Flute and Clarinet: Allegro ma non troppo ben marcato is an English language song and is sung by David Shifrin and Ransom Wilson. Duetti for Flute and Clarinet: Allegro ma non troppo ben marcato, from the album Music of Ezra Laderman, Vol. 1-9, was released in the year 2010. The duration of the song is 2:37. Download English songs online from JioSaavn.