St. Marys Blues Guild's first Blues Challenge was held Sunday at Varsity Lanes in St. Marys. Other dates are Feb. 24, March 16, April 13 and May 18. Locations are to be announced. Above, Kent Krogman of Rockford ruffles the keys as M.C. Blue, a blues group from Celina, tunes up. Krogman has been playing keyboards for 37 years.