Plan Ahead: Next Weekend

* Theater. “The Scarlet Pimpernel,” Nan Knighton and Frank Wildhorn’s musical version of Baroness Orczy’s romantic tale of intrigue and adventure during the French Revolution, opens Wednesday at the Ahmanson Theatre, 135 N. Grand Ave., Los Angeles. It plays Tuesdays-Saturdays at 8 p.m.; Saturdays and Sundays at 2 p.m.; also May 7, 14, 21, 28 at 7:30 p.m., June 1, 8, 15 at 2 p.m. $25 to $65; opening $30 to $70. (213) 628-2772.

* Cabaret. Tony Award-winning actress Betty Buckley performs a concert of pop, jazz, blues and Broadway show tunes at 8 p.m. May 5 and 6 at the Cerritos Center for the Performing Arts, 12700 Center Court Drive, Cerritos. $55 to $75. (562) 916-8500 or (800) 300-4345.

* Dance. Russia’s Eifman Ballet makes its Los Angeles debut in Boris Eifman’s full-evening “Red Giselle” on May 6 at 8:15 p.m. and May 7 at 2:15 p.m. at the Universal Amphitheatre in Universal City. $33 to $58. 213-252-TIXS.

* Music. The Young Musicians Foundation presents a 45th Anniversary Cinco de Mayo Benefit featuring the world premiere of “Renouncing Erebus” at 4 p.m. May 7 at the Wilshire Ebell Theatre, 4401 W. 8th St., Los Angeles. $10 to $35. (310) 859-7668.