Long Tone Duets is a book of 23 duets designed to challenge players to play perfectly in tune with each other, match tone quality and articulations. These duets allow players to focus on basic fundamental skills such as tone quality and intonation and learn how to blend perfectly with one another. There are duets in every major key in addition to patterns such as fourths and chromatic scales. Long Tone Duets can be used as warm-up drills and to refine basic skills.