Kevin "Swing Vote" Costner--actor, Academy Award-winning director, former Orange County resident and apparent musician--has been added to the line-up for Stagecoach, "California's County Music Festival" (the "country Coachella;" it takes place on the Empire Polo Club in Indio the weekend after the big C).Costner fronts a band called Kevin Costner and the Modern West; as far as rootsy musical projects from middle-aged actors, it's better than Val Kilmer's stuff, at least. Costner's debut album, U
Screening: True Romance, 7 p.m. For only $7 you can witness Quentin Tarantino's 1993 action/romance, starring Christian
Bale as an Elvis-obsessed Kung-Fu-movie enthusiast, Patricia Arquette
as a hooker with a heart of gold, Gary Oldman as a murderous pimp and
Brad Pitt as a couch potato. Plus Dennis Hopper, Val Kilmer,
Christopher Walken and Samuel L. Jackson. Regency South Coast Village, 1561 W. Sunflower Ave., Santa Ana, CA; (714) 557-5701Un Cabaret et des Chapeaux, 12 p.m. Singer/actor/recor