Cours Célèbre de Chant - Complete Trombone Duets ( Concones Cours Celebre de Chant joins other important material in BRASS URTEXT, a series of study books, which have been in use in brass pedagogy for many years. These publications are based on early Concones Cours Celebre de Chant joins other important material in BRASS URTEXT, a series of study books, which have been in use in brass pedagogy for many years. These publications are based on the earliest copies available of Concone’s work. Tempi, dynamic, ornament and phrasing markings have been kept as close the original as possible. The original keys are also retained in most cases. Concone’s major study work is presented in 6 volumes: This is the Complete Version Vol. 1 50 Leçons, op. 9 Vol. 2 25 Leçons, op. 10 Vol. 3 30 Exercices, Preparation aux Vocalises, op. 11 Vol. 4 15 Leçons, op. 12 Vol. 5 40 Leçons, op. 17 Vol. 6 18 Vocalise from Methode Elementaire de Chant, op. 8 & 16)