Mitch McVicker of Rich Mullins' Ragamuffin Band will be performing along with local Blues & Gospel artist, Mark "Hambone" Hamlin in Duluth. Free Will Offering. McVicker's concert is a little bit Mark Twain meets MacGyver. His quirky and inventive approach includes insightful song lyrics, unconventional instruments, and profound storytelling. His concert connects the everyday with the otherworldly.