Six Duets for Two Flutes Op. (4-6) by Johann Joachim Quantz
Edited from the original edition by Rien De Reede
Published by Amadeus
Includes score and parts
First published in 1759, Quantz himself gave a three page introduction of the performance and compostion of them, along with their usefulness for teaching purposes. He considered them as a supplement to his treatise “On Playing the Flute”.