Skilful Duets 40 progressive duets for Trumpet, Cornet or Flugel Horns. Is the second volume of a progressive series of duet books that takes the young wind players from beginner to accomplished musician. Following on from the first book (Starter Duets ) this collection generally contains longer pieces suitable for the developing young musician, Specifically tailored for each instrument, Skilful Duets introduces the concept of phrasing by suggesting suitable breathing points and more.