Fifty autographed guitars from famous pop, rock and country musicians will be going on the auction block Oct. 23 to support the Charles A. Main, M.D. Pediatric Cancer Survivor Scholarship Fund. The evening “Stars Guitars” gala will take place at the Ford Community and Performing Arts Center in Dearborn. The event features a live and silent auction, strolling dinner and a concert by pop singer-songwriter Kenny Loggins.