Selected Duets for Flute, Page 4 Number 2, performed by David Summer.
This piece is marked Moderato, which means at a moderate tempo. Notice the syncopation sections that provide rhythmic contrast in the duet.
This is the second duet in the book from the works of Francois Devienne. Devienne was a French composer and professor for flute at the Paris Conservatory. He was also a flutist and eventually became a professor of flute at the Paris Conservatory.
The metronome setting for this performance is quarter note = 100.