Take dad out to Chaz on the Plaza this Father's Day! In addition to our regular menu, Executive Chef Shawn Hartwig is proudly featuring USDA Prime Rib while the popular KC jazz band The Mengel Brothers plays live jazz from 6-10 p.m. The Mengel Brothers are accomplished classically-trained composers and musicians as they offer up fresh stylings on classical literature as well as riffs on jazz, pop and rock from artists such as the Beatles and Doors. Â