7:30 pm: Theater

Richard Chamberlain heads the cast in the national tour of the Rodgers and Hammerstein classic “The Sound of Music,” with Meg Tolin as Maria.

* “The Sound of Music,” Pantages Theatre, 6233 Hollywood Blvd. Today, Sunday, 7:30 p.m.; Friday and Saturday, 8 p.m.; today, Saturday and Sunday, 2 p.m. $32 to $57. (213) 365-3500. Also at Orange County Performing Arts Center, 600 Town Center Drive, Costa Mesa, March 21-April 2. (714) 556-ARTS.

10 pm: Pop Music

New York salsa patriarch Larry Harlow does double duty this weekend, headlining the Conga Room tonight with his Latin Legends Band, then heading to the Irvine Barclay with the group to join singer-actor David Gonzalez in a show titled “Sofrito,” a compendium of folklore and contemporary stories from the Latin tradition.

* Larry Harlow & the Latin Legends Band, Conga Room, 5364 Wilshire Blvd. Today, 10 p.m. $15 and $50. (323) 938-1696. With David Gonzalez in “Sofrito,” Irvine Barclay Theatre, 4242 Campus Drive, Irvine, Friday, 7:30 p.m. $18 and $13. (949) 854-4646.

6 pm: Parties

The city of Long Beach’s Public Corp. for the Arts celebrates Smithsonian Week with three parties hosted by experts from the Washington, D.C., museum. Tonight is a Blues Party at the Blue Cafe, hosted by Russell Wilson, with Smokey Wilson and Linda Hopkins. Friday is the Mummies Party at the Queen Mary with David Hunt showing movie clips and a preview of the “Ghosts and Legends” exhibit. A Fiesta Party on Saturday at the Museum of Latin American Art will have mariachi bands, folkloric dancers and be hosted by fiesta expert Cynthia Vidaurri.

* Smithsonian Week parties in Long Beach. Today, at the Blue Cafe, 210 Promenade. Friday at the Queen Mary, in Long Beach Harbor. Saturday at the Museum of Latin American Art, 628 Alamitos Ave. 6-10 p.m. each day. $20 per person. Reservations required. (562) 570-1930.

7 pm: TV Festival

The TV programs are selected for artistic merit, cultural impact and historical significance. Some might dispute including “South Park,” along with “MASH” and “The Outer Limits,” but not the William S. Paley Television Festival, which is put on by the Museum of Television and Radio. “South Park” screens tonight with an appearance by Trey Parker and Matt Stone. The festival, which started Tuesday, continues through March 14.

* William S. Paley Television Festival, at the Directors Guild of America, 7920 Sunset Blvd., Los Angeles. All shows at 7 p.m. Tonight: “South Park.” Friday: “The Carol Burnett Show.” Saturday: “Once and Again.” For other program information, call (310) 786-1016. $15. (888) ETM-TIXS.

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FREEBIE: Noted L.A. artist John Baldessari lectures on his work tonight in conjunction with the “Departures” exhibition, 7 p.m. in the Harold M. Williams Auditorium at the Getty Center, 1200 Getty Center Drive, Brentwood. Parking reservations: (310) 440-7300.