Once you have an Arbans Method you will use it for life! Professor Arban's book has become the "bible" for trumpet players with it's huge selection of etudes, exercises, scales, ornaments, repertoire, duets, and technical material to improve tone quality, range and rhythm, slurring, tonguing and much much more, The Arban Method has everything a trumpet player needs to help them - from beginning basic exercises to professional advanced compositions..a lifetime of learning.