Eight chorus members stand on stage singing and holding choral books

St. Louis Symphony IN UNISON Chorus

The St. Louis Symphony IN UNISON Chorus is an auditioned ensemble of volunteer singers that performs a variety of musical styles, with a focus on the interpretation, performance, and preservation of music from the African diaspora.

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Singers & Staff

The 100+ members of the IN UNISON Chorus come from all walks of life, uniting to perform and preserve Black American musical expression.

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Auditions for the St. Louis Symphony IN UNISON Chorus take place periodically throughout the season.

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Chorus History

The IN UNISON Chorus was founded in 1994 for one performance but was quickly made a permanent SLSO ensemble.

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IN UNISON Church Program

For more than 30 years, the SLSO has sponsored the IN UNISON church program, a beautiful partnership with 33 predominantly African-American churches throughout the greater St. Louis area.

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Young Artists

Awarded through a competitive audition process, the Young Artists position was created to foster the development of vocalists under age 30.

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The IN UNISON Delores Greathouse Scholarship

This scholarship honors the memory of Delores Greathouse, former IN UNISON Chorus Manager and St. Louis Public School music educator, and is awarded annually to African American undergraduate students who participate in a music ensemble.

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Upcoming IN UNISON Chorus concerts

Feb 23

Lift Every Voice


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Mar 19

IN UNISON Academy Showcase


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Acclaim for the St. Louis Symphony IN UNISON Chorus

“The joy I had when I came off that stage…it was a grand ole’ time.” –Jenifer Lewis, guest artist, March 2021

“There’s an unmatched power and vibrancy of human voices raised en masse, and the St. Louis Symphony IN UNISON Chorus transformed Powell Hall into a sanctuary of soulful celebration.” –Chas Adams, PopLifeSTL, December 2022

“Throughout the evening it was a joy not only to hear the chorus, but to see the great enthusiasm and happiness with which the members sing.” –Steve Callahan, KDHX, December 2022

The IN UNISON Chorus is supported by: