In this video, the artist and teacher Alexandre Doisy describes:
His SL5 and AL5 soprano and alto mouthpieces, as well as the new V21 reeds on his AL5 alto saxophone mouthpiece.
http://www.alexandredoisy.com
Video shot at the CRR in Grenoble with the Wind Orchestra of Grenoble RRC under the direction of Bernard Rouvière.
http://www.conservatoire-grenoble.fr