The Saint Louis Chamber Chorus, one of the country’s finest a cappella choirs, has completed its auditions for the 2013-’14 season, however, three full positions for bases and baritones remain unfilled.

Auditions for these positions will be held Tuesday, July 9, and again in mid-August. Interested singers can learn more about the Saint Louis Chamber Chorus by visiting www.chamberchorus.org.

A leaflet explaining the audition process is available on request. For more information and to schedule an audition, people can call Executive Director Linda Ryder at 636-458-4343 or email maltworm@inlink.com.

Founded in 1956, the Saint Louis Chamber Chorus is one of the longest-lived and most respected choirs in the nation. It has garnered acclaim both here and abroad for its numerous recordings and championing of new music.

The 2013-2014 season will feature world premieres by Yakov Gubanov, Francis Pott and Ugis Praulins.

The Chamber Chorus sings in a wide range of venues, public and private, sacred and secular, across the St. Louis region. Each concert is performed in a space chosen for its acoustics and setting to enhance the musical experience.

The season is made up of six programs, all performed on Sunday afternoons at 3 p.m., with rehearsals on Monday evenings. Singers are paid an honorarium per concert.