Here in Muskegon, MI we have Unity Fest in August. This will be the 3rd year as a volunteer. It's great, there are so many families here. There are 3 stages with great music. Lots of good food, vendors and the breezes off of Muskegon Lake.
http://www.unitymusicfestival.com/
So far they have scheduled: Tammy Trent, Newsboys, Jars of Clay, Casting Crowns, Mark Schultz, Mercy Me (for Main Stage)
The Lake Stage is on the shore of Muskegon Lake & The A-Stage is in the teen area with
Christian Rock.