While doing the Caruso 2nds range building exercise, focus on steady air and keeping the shoulders relaxed. This exercise is designed to strengthen the muscles in the embouchure and the other muscles associated wit the embouchure. Be conscious of your shoulders and neck muscles becoming tense unnecessarily. Caruso 2nds is a range building exercise for trumpet players and has specific directions which are included in this blog entry. 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 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.