This blog entry explains how to do Caruso 6 notes The exercises must be done as instructed or they do not work as well. The Caruso method is specifically designed to help develop strength in the embouchure as well as endurance and increasing upper register. To the right is a video demonstration and below is a downloadable PDF file with instructions. I have been doing these exercises since 1983 and if you do the math, that's a long time. The Caruso exercise has significantly helped build my range and sound. During the first 90 days is when I noticed the biggest gains in range. Carmine's method has helped thousands of brass players worldwide.