About Us
The Sound of Illinois chorus has been entertaining Central Illinois audiences with 4-part harmony since 1942. SOI has made 10 consecutive appearances at the Barbershop Harmony Society’s International competition as of 2017.
New SOI Christmas Album
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Error: Error validating application. Application has been deleted.
Type: OAuthException
Code: 190
Please refer to our Error Message Reference.
Type: OAuthException
Code: 190
Please refer to our Error Message Reference.
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