On Tuesday, the J. Paul Getty Museum opens "Nadar/Warhol: Paris/New York," an exhibition of portrait photographs by Nadar (Gaspard Felix Tournachon), who worked in Paris during the mid-19th century, and Andy Warhol (Andrew Warhola), whose career peaked during the mid-20th century. Both artists achieved commercial success by photographing famous people. Through Oct. 10 at the J. Paul Getty Museum, 1220 Getty Center Dr., Los Angeles. Hours: Tuesday and Wednesday, 11 a.m. to 7 p.m.; Thursday and Friday, 11 a.m. to 9 p.m.; Saturday and Sunday, 10 a.m. to 6 p.m. Closed Mondays. Admission: free. Parking $5; reservations required. 310-440-7305.


Daniel Gwirtzman Dance Company premieres "Plasma Field," a program-length dance about time, evolution and the future that is scored to electronic and ambient music. Gwirtzman, who has danced with Garth Fagan and Mark Morris, founded his own ensemble last year. Performances are July 22, 23 and 24 at 9 p.m. and July 25 at 8 p.m. at the Merce Cunningham Studio, 55 Bethune St. Admission is $15. 212-543-1367.


"WOMAD USA, Seattle's Festival of the World, Music, Arts & Dance" will assemble performers from all over the world, including the Afro Celt Sound System, Joan Baez, Joan Armatrading, fiddler Natalie MacMaster, Taj Mahal and the Phantom Blues Band, puppeteer Yaya Coulibaly from Mali and the Cubanismo! orchestra. Forty acts will appear on eight stages from Friday, July 30, through Sunday, Aug. 1, at Marymoor Park, 6049 West Lake Sammamish Pkwy. NE, Redmond. Admission: $35 per day or $75 for a three-day pass. Children under 12 are admitted free when accompanied by an adult. Call 206-628-0888 or visit: www.womadusa.org.

CAPTION: Andy Warhol's 1986 self-portrait, part of the "Nadar/Warhol: Paris/New York" exhibit at the J. Paul Getty Museum in Los Angeles.