Super Duets Flutes. Is Philip's 3rd volume of a progressive series of duet books that takes the young wind player from beginner to accomplished musician. Following on from the first 2 books in the series Starter Duets and Skillful Duets this collection contains longer pieces that are more suitable for the more advanced player, Specifically tailored for each instruments,takes the player into new keys, with new technical and musical challenges, and contains pieces suitable for concert or recital