MUSIC* Do we actually need an intro for a Metallica show? A bit pricey, but sure to bring the house down and for a good cause. 7 pm // The Wiltern // 3790 Wilshire Blvd, Los Angeles // $203.50. MUSEUM The National Museum of Mexican Art in Chicago has put together an exhibition of artwork documenting the African presence in Mexico, now on display at the California African American Museum. The exhibition spans centuries of......