LA JOLLA — The La Jolla Symphony & Chorus (LJS&C) will hold winter auditions for its chorus on Monday, Jan. 3, from 7 p.m. to 9 p.m. in the Conrad Prebys Music Center on the University of California, San Diego campus. The chorus welcomes trained singers (community, university and student) of all voice types who possess excellent music reading skills and a serious commitment to choral singing. Auditions will be conducted on a first-come, first-served basis. Further information about the audition process is available at www.lajollasymphony.com. The LJS&C performs masterworks of both classical and contemporary composers in Mandeville Auditorium at UCSD in a six-concert subscription series. Choral repertoire during the 2010-2011 season includes Ludwig van Beethoven’s Missa Solemnis, J.S. Bach’s The Passion According to St. Matthew and Franz Josef Haydn’s Harmonie-Messe, among other works. The LJS&C is a 110-person orchestra and 130-voice chorus that performs groundbreaking orchestral and choral music along with traditional favorites from the classical repertoire under music director Steven Schick and choral director David Chase.