LANSING, Mich (WLMI) The Common Ground Music Festival back at it tonight with a star of the Big Screen. Actor/singer Kevin Costner and Modern West headline tonight’s Main Stage at Adado Riverfront Park.  The star of Field of Dreams, JFK, and The Bodyguard has been playing edgy, country-rock for more than 20-years.  Also tonight…American Idol’s Casey James, alternative rockers Sister Hazel and singer/guitarist Julia Nunes.