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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A wonderful day of harmony with friends. Thank you all for making it a most excellent musical experience. Let's play 2 (show at Harper College in Palatine tomorrow).
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