The Rubank Selected Duets book is a great resource for students to practice working together, and builds skills for future ensemble work (like the popular Solo & Ensemble performances). Duet (and ensemble) work help develop technique, tone quality, intonation and balance. 
 
Volume 1 is Easy to Medium Level. Volume 2 is Medium to Advanced Level.
 
The Flute one also works for Piccolo.
 
The Saxophone one works for all of them.
 
The Trumpet one also works for Cornet.
 
The Trombone one also works for Baritone. 
 
*If you don't see your instrument's book in stock, please call the store and we will custom order it for you.