Six acts will take the stage at the Northside Knights of Columbus athletic fields in a benefit for The Madonna House in Northern Kentucky. Sponsored by the Knights of Columbus, Northside Council 1683, the "Concert for a Cause" is a family-friendly day featuring: Dave Moody of "Thunderstruck" (AC/DC tribute show) Greg Anderson & Tim Keyes of Prizoner Jamie Combs (4th Day Echo) Billy Carri Kenny Cowden Admission is $5 (children under 16 free when part of a family). No outside food or…