Award-winning a capella group Street Corner Symphony will perform in Knoxville Saturday night. The group gained fame last year by finishing in second in NBC’s a capella competition “The Sing Off”. Former Knoxville resident Jon McLemore is part of the group. McLemore formally worked at the Church of Christ and was part of the Knoxville Noon Kiwanis. He says that he’s very excited to come share the group’s music with people he cares about, and this is the show he’s most excited for this year. Street Corner Symphony will perform at Celebrate Community Church at 7:30.