Complex sentence: In 1974, Steiner became the Music Director of the Chamber Orchestra of the South Bay (formerly the Baroque Consortium Chamber Orchestra), a post she still holds today; making her the longest-serving music director in the history of the orchestra.
Split into simpler sentences: In 1974, Steiner became the Music Director of the Chamber Orchestra of the South Bay (formerly the Baroque Consortium Chamber Orchestra). She is currently the longest-serving music director in the history of the orchestra.