CALENDAR

TODAY

CHAMBER OF COMMERCE MIXER

The Costa Mesa and Hispanic Chambers of Commerce will host a joint mixer from 5:30 to 7:30 p.m. at the Mesa Verde Country Club. Event will feature time for networking, food, raffle prizes and a no-host bar. Free for members, $10 for potential members. Attire is business or business casual; no denim. Club is at 3000 Country Club Road in Costa Mesa. Call (714) 885-9090 or (562) 590-7302 for more information.

SENIOR GAMES

Senior citizens who reside in long-term care, assisted living, retirement centers and adult day care programs will compete in modified Olympics-style competitions from 9 a.m. to 3 p.m. Volunteer opportunities available. Event will take place at the Orange County Fairgrounds in Building #10. Admission is free. (714) 717-1368.

THURSDAY

CINEMA ORANGE

The Orange County Museum of Art will show its Animated Showcase, featuring a collection of short animated films including both hand-drawn and computer-generated works, as part of a free outdoor series of films from the recent 2006 Newport Beach Film Festival. The museum is located at 850 San Clemente Drive, Newport Beach. (949) 759-1122.

FAMILY MOVIE NIGHT

Balboa Performing Arts Theater will partner with Quiksilver this summer to present the Family Movie Nite Series showing of the surf film “First Chapter,” from 6:30 to 9:30 p.m. The beach next to Balboa Pier will be transformed into a large outdoor movie theater, set up at one end of the Peninsula Park Field. A drawing for prizes includes round-trip tickets to Hawaii and Quiksilver sports gear. Admission is free. (949) 673-0895.

SATURDAY

THE BRITISH ARE COMING

The Fab Four musicians of the Classical Mystery Tour will perform The Beatles songbook with full symphony orchestra at the Verizon Wireless Amphitheatre at 8 p.m. Evening will feature original members of the Broadway hit “Beatlemania.” Tickets range from $19 to $99. Amphitheatre is at 8808 Irvine Center Drive. Call (714) 755-5799 or visit www.pacificsymphony.org for more information.

POLICE VS. SECURITYThe Costa Mesa Police Department will take on South Coast Plaza Security in the 1st Annual Police vs. Security Softball Game at Carl Thornton Park in Santa Ana. The event, which includes a barbecue and opportunity drawing in addition to the nine-inning softball game, is free to the public and will raise funds for the Festival of Children Foundation. The park is located at Segerstrom Ave. and Bear St. Call Ryan Walker at (714) 327-7571 for more information. To learn more about the Festival of Children Foundation call (714) 438-3286 or visit www.festivalofchildren.org

PIONEER OPENINGPioneer, the electronics store specializing in home entertainment products, will open its first U.S. store at South Coast Plaza this weekend. Chris Rose and John Salley, of Best Damn Sports Show Period, will be on hand from 2:00 to 4:00 p.m. to greet fans, and shoppers will be able to sit and watch high definition sports programming in one of eight locations set up within the store. Pioneer will also feature a slot machine made from plasma televisions, and guests will be able to try their luck at winning prizes that include Pioneer home theater systems. The Pioneer store is located on the lower level near Saks Fifth Avenue.

SUNDAY

CONCERT IN THE PARK

Get ready to hear Upstream, a Trinidad & Tobago band, at 5 p.m. as they rock Eastbluff Park. Evening will feature reggae and calypso music. Free and open to the public. Park is located at Vista del Oro at Vista del Sol in Newport Beach. For more information call Cultural Arts FAQ hotline at (949) 644-3211, ext. 2156.

BOOK SIGNING AT THE CANNERY

The Cannery Restaurant will host a book signing for Wally “Famous” Amos from 11 a.m. to 3 p.m. His books Be Positive!, Watermelon Magic, and The Cookie Never Crumbles will be available for purchase at $20 each. Event is free and open to the public. Restaurant is at 3010 Lafayette Road in Newport Beach. Call (949) 673-0777 for more information.

BORICUA FEST 2006

Boricua will be a full day of entertainment at the Orange County Fairgrounds with salsa dancing and salsa music, Mexican food and clothing for sale. Events are from 10 a.m. to 7 p.m. Tickets are $20 presale, $25 day of event, children under 10 free. it www.ticketslatino.com