Plan Ahead

* Lucy--”Loving Lucy 2000,” the fifth annual convention of Lucille Ball fans, is slated for July 21-23 at the Hilton Burbank, 2500 Hollywood Way. $10-$250. (818) 981-0758.

* Swing--Flat Top Tom and his Jump Cats will perform July 22 at the seventh annual “Cruise Night” street concert on Brand Boulevard in Glendale. Free. (818) 548-6464.

* Operetta--The Mayflower Club, 11110 Victory Blvd., North Hollywood, presents reprise performances of “Gilbert and Sullivan at the Mayflower” July 22-23. $10. (818) 760-9367.

* History--”On Gold Mountain: A Chinese American Experience” opens July 23 at the Autry Museum of Western Heritage, 4700 Western Heritage Way, Griffith Park. $3-$7.50. (323) 667-2000.