Thriller on the Hill trades a sit-still concert for a free, full-throttle R&B party at Miller Outdoor Theatre. Singers from the beloved Motown & More tradition join the Soundtrack Band and live DJs for a nonstop run through classic voices, grooves, and crowd favorites. Halloween-weekend costumes inspired by R&B icons are encouraged, and the open lawn turns the audience into part of the energy. Claim covered seating with a free advance ticket or bring a blanket and choose your own spot on the…