Originating from Flint, Mich., Grand Funk Railroad will create “Some Kind of Wonderful” when they take the stage for the 2013 Chevrolet Rockin’ on the Riverfront free concert series on Friday, July 26. The concert, presented by Detroit’s #1 for Classic Rock 94.7 WCSX-FM, will rock the riverfront stage starting a 7:30 p.m. with opener Steve Kostan of WCSX.