Mazzeo System Clarinet in B-flat by H. & A. Selmer (Bundy division), Elkhart, after 1961 NMM 6115. Clarinet in B-flat by H. & A. Selmer (Bundy division), Elkhart, after 1961.  Rosario Mazzeo Collection, 1998. Resonite, German-silver ferrules. Basic Mazzeo system. Seventeen German-silver keys, five German-silver rings, one German-silver left-hand thumb plateau key. Rosario Mazzeo's U.S. patent #2,867,146 (1959). National Music Museum The University of South Dakota 414 East Clark Street Vermillion, SD   57069 ©National Music Museum, 2003 Most recent update:   May 6, 2003 You are the 4,764th visitor to this page since May 14, 2002. College of Fine Arts The University of South Dakota Return to Top of Page