Arban's Complete Conservatory Method is a comprehensive instructional book for brass players, particularly focused on the trumpet. Written by Jean-Baptiste Arban, a renowned 19th-century cornet player and teacher, this method emphasizes technical skill development, musicality, and performance techniques. It includes exercises, studies, and etudes designed to improve tone, flexibility, and articulation. The method is widely used in music education and is considered a standard reference for trumpet players. It covers various aspects of playing, including scales, arpeggios, and lyrical studies, making it suitable for beginners and advanced musicians alike.