Selmer Claude Delangle Alto Saxophone MouthpieceThis pioneering bi material mouthpiece with its unique acoustic and sound properties testifies to Henri SELMER Paris ever growing desire to improve its products. This pioneering bi material mouthpiece with its unique acoustic and sound properties has been designed in close collaboration with Claude Delangle. The metal ring characteristic of Adolphe Saxs first mouthpieces and its cutaway design testify to a privileged relationship between tradition and