John Pitts: Recorder Duets From The Beginning Teacher's Book: Recorder Ensemble:

Descant And Treble Teacher's Book-Easy mixed duets for descant and treble recorders to play together suitable for two players or for class ensembles. The 22 duets feature a wide range of well-known arrangements including folk songs spirituals Latin Americandances blues and classical favourites as well as original pieces by John Pitts. The material is precisely graded so that both the descant and treble parts progress gradually in difficulty and range of notes. The Teacher's bookcontains piano accompaniments for all the pieces as well as some additional pitched/unpitched percussion parts.