He is the principal clarinetist for the Metropolitan Opera.

He became principal clarinetist of the National Symphony Orchestra in 1940.

Jocelyn Langworthy, the recently hired principal clarinetist, says she already has 40 pupils a week.

Marcellus is best known for his long tenure as principal clarinetist of the Cleveland Orchestra.

He was principal clarinetist of the Brooklyn Philharmonic for six years.

Since 2003, he has been the principal clarinetist of the Philadelphia Orchestra.

He later was principal clarinetist of the Vienna Philharmonic from 1955-1983.

In 1960, he became the orchestra's principal clarinetist, where he remained for the duration of his career.

Moragues has been the principal clarinetist of the Orchestre de Paris since 1981.

He has been the principal clarinetist of the Frankfurt Opera since 1999.