Rosario Mazzeo (April 5, 1911 – July 19, 1997) was an American

clarinetist This article lists notable musicians who have played the clarinet. Classical clarinetists * Laver Bariu * Ernest Ačkun * Luís Afonso * Cristiano Alves * Michel Arrignon * Dimitri Ashkenazy * Kinan Azmeh * Alexander Bader * Carl Baermann * ...

and clarinet system designer. He was born in

Pawtucket, Rhode Island Pawtucket is a city in Providence County, Rhode Island, United States. The population was 75,604 at the 2020 census, making the city the fourth-largest in the state. Pawtucket borders Providence and East Providence to the south, Central Falls ...

, grew up in

Worcester, Massachusetts Worcester ( , ) is a city and county seat of Worcester County, Massachusetts, United States. Named after Worcester, England, the city's population was 206,518 at the 2020 United States census, 2020 census, making it the second-List of cities i ...

, and afterward lived in Boston, Massachusetts. He played first

E-flat clarinet The E-flat (E) clarinet is a member of the clarinet family, smaller than the more common B clarinet and pitched a perfect fourth higher. It is typically considered the sopranino or piccolo member of the clarinet family and is a transposing inst ...

and later

bass clarinet The bass clarinet is a musical instrument of the clarinet family. Like the more common soprano B clarinet, it is usually pitched in B (meaning it is a transposing instrument on which a written C sounds as B), but it plays notes an octave bel ...

in the

Boston Symphony Orchestra The Boston Symphony Orchestra (BSO) is an American orchestra based in Boston, Massachusetts. It is the second-oldest of the five major American symphony orchestras commonly referred to as the " Big Five". Founded by Henry Lee Higginson in 1881, ...

from 1933 to 1966. Personnel manager with the Boston Symphony for much of his performance tenure, Rosario Mazzeo was also chairman of the woodwind department at the New England Conservatory of Music. After his retirement from the BSO, he lived in Carmel, California, where he had an extensive private studio and was a faculty member at the University of California,

San Francisco Conservatory of Music The San Francisco Conservatory of Music (SFCM) is a private music conservatory in San Francisco, California. As of 2021, it had 480 students. History The San Francisco Conservatory of Music was founded in 1917 by Ada Clement and Lillian Hodgh ...

and Stanford University. He was the designer of the

Mazzeo system The Mazzeo system is a key system for the clarinet invented by Rosario Mazzeo in the 1950s, and is a modification of the Boehm system. Exclusive mass-production rights were given to the Selmer company, although only 13,000 were made. Many are now ...

of clarinet keywork.

References

The Rosario Mazzeo Clarinet Collection
from the National Music Museum web site 1911 births 1997 deaths People from Pawtucket, Rhode Island American clarinetists Bass clarinetists 20th-century American musicians {{US-clarinetist-stub