Champion Northwest fiddler JP Wittman, backed by his Rhythm Boys, Anita Orne and Gordon Koenig on guitar and stand-up bass, will present an evening of classic swing tunes from the 1930s and 1940s as well as hoe-down tunes and waltzes at Luna’s Restaurant in Eastsound. They will perform on Saturday, May 7 from 6 to 8:30 p.m.