Stevens–Costello embouchure has its origins in the William Costello embouchure and was further developed by Roy Stevens.The Complete Stevens-Costello Embouchure Technique, 2nd Edition by Roy Stevens & Bill Moriarity, Amazon Create Space It uses a slight rolling in of both lips and touching evenly all the way across. It also uses mouthpiece placement of about 40–50% top lip and 50–60% lower lip. The teeth will be about apart and the teeth are parallel or the jaw slightly forward.
Stevens–Costello embouchure has its origins in the William Costello embouchure and was further developed by Roy StevensThe Complete Stevens-Costello Embouchure Technique 2nd Edition by Roy Stevens & Bill Moriarity, Amazon Create Space It uses a slight rolling in of both lips and touching evenly all the way across It also uses mouthpiece placement of about 40–50% top lip and 50–60% lower lip. The teeth will be about apart and the teeth are parallel or the jaw slightly forward.