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
SOI on Facebook
Good morning barbershop land!
The Association of International Champions (AIC)
Go behind the scenes as a new champion is crowned and relive the moments following the 2018 International Quartet Contest!
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Barbershop Harmony Society
After Hours
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