Concertmaster(redirected from concertmistress)
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(1) The first violinist of an orchestra; performs the violin solos and sometimes replaces the conductor at rehearsals. In 18th-century instrumental chamber groups, the concertmaster served as conductor.
(2) The leader of one of the string groups in an orchestra (violas, cellos, basses).
(3) A pianist who accompanies vocalists during their concert performances and helps them prepare their parts.