Using your D'Addario Select Jazz Alto saxophone mouthpiece is easy. First, make sure it's properly attached to your saxophone. When playing, adjust your embouchure to get the best sound for different music styles. For cleaning, use a soft cloth to wipe the inside and outside of the mouthpiece after each use. Avoid using harsh chemicals as they may damage the mouthpiece. Store it in a protective case when not in use to prevent scratches and dents. With proper care, your mouthpiece will last a long time and keep delivering great sound.