She is a violinist, born Dale Allmond in California, who started learning the piano when she was six years old and concentrated on the violin from the time she was eight. She and her brother performed chamber music together and she was a performer in youth orchestras and the orchestra from her school.
In 1977 she studied on a scholarship at the University of Southern California and during this time she was taken on as a substitute violinist for the Los Angeles Philharmonic. With them she played at the Hollywood Bowl and toured nationally and internationally.
In 1983 she became a full time musician at the Los Angeles Philharmonic and still performs there as Second Violin alongside her husband David Breidenthal who is the Principal Bassoonist. As well as performing with the orchestra she has performed in ensembles that comprise various of their members such as the Rochelle Abramson Ensemble and the Ginastera Quartet.
In the world of musical education she has been a violin coach for the Huntingdon Middle School Orchestra. Her brother is the composer and sound designer Edmond Allmond.
She performs as second violin here on Act 1, Scene 2 of John Adams’ The Gospel According to the Other Mary…