"Tri-City Chorus is a member of Border Lakes Region #2 of Sweet Adelines International (SAI), a non-profit worldwide ladies barbershop organization that performs four-part harmony music. Barbershop music is one of a few forms of music native to the United States. SAI was founded in 1945 with nearly nearly 23,000 members. Tri-City is a small chorus with a total membership of around 25 ladies. Our members come from all over the Tri-City area and the Thumb. Tri-City celebrated our 50th anniversary in 2012.