Noon: Culture

Green Street at the edge of Old Pasadena will be filled with Irish and Irish at heart for a St. Patrick’s Day Parade. Drumming leprechauns, bagpipers, marching bands, horseback riders and others will gather at Central Park for storytelling, medieval jousting, arts and crafts, Irish rock and folk bands and food during the annual event.

* St. Patrick’s Day Parade, starts at Green Street and DeLacey Avenue, to Raymond Street south to Central Park. Parade, noon; marchers and parade watchers asked to gather at 10:30 a.m. Free admission. (626) 308-3831.

All day: Family

Visitors to the Muckenthaler Cultural Center’s 23rd Annual Florence Arnold Young Artist Festival can make masks, musical instruments, clay pots, origami boxes, noodle art, magic wands, stuffed animals, portrait art and Japanese fish prints. Also on tap: performances by the Fullerton Children’s Repertory Center, the Raymond and Sunset Lane Chorus, clowns, ballet folklorico groups and members of the South Coast Storytellers Guild. The all-day event also includes a Young Artist Exhibition of more than 4,000 examples of artwork in the Muckenthaler Galleries.

* 23rd Annual Florence Arnold Young Artist Festival, Muckenthaler Cultural Center, 1201 W. Malvern Ave., Fullerton. 10 a.m.-4 p.m. Admission free; arts activities range from free to $4. Young Artist Exhibition runs through April 5. (714) 738-6595.

Noon: Comedy

Spend a few hours making yourself and others chuckle at Jerome Cleary’s Groundlings-style free comedy improv workshop for actors, writers, comics or anyone with a funny bone. The Sunday noon workshops have just been added.

* Free Comedy Improv Workshop, Artists Studio, 8235 Santa Monica Blvd. Sundays at noon; Tuesdays and Thursdays at 7:30 p.m. Free. (310) 364-4500 for required reservations.

2 pm: Wildlife

The impact of heavy poaching on Tanzania’s elephants and efforts to save them will be discussed in “The Elephants of Tarangire” lecture at the Museum of Natural History in Exposition Park by expert Charles Foley. Once free-roaming, many of these magnificent and intelligent animals are now confined to Tarangire National Park, Tanzania.

* “The Elephants of Tarangire” lecture at Jean Delacour Auditorium, Museum of Natural History, 900 Exposition Blvd., Los Angeles. Sunday, 2 p.m. Museum members, $7; nonmembers, $9; students, $5. (213) 763-3534.

2 & 7:30pm: Music

Take your pick of hot-off-the-presses music, with two local premieres, one from Oxnard-based Miguel del Aguila--a work for clarinet and string quartet named for the commissioning Pacific Serenades chamber music series--and the other from DJ Sparr and the YMF Debut Orchestra--a symphony called “Wrought Hocket,” which last year won the National Young Composers Competition grand prize.

* “Pacific Serenade,” Pacific Serenades, Sunday, 2 p.m., Biltmore Hotel, 506 S. Grand Ave., downtown, $20, (213) 852-0260 (repeats Tuesday, 7:30 p.m., Westwood Methodist Church, 10497 Wilshire Blvd.).

* “Wrought Hocket,” YMF Debut Orchestra, Sunday, 4 p.m., Wilshire Ebell Theatre, 4401 W. 8th St. Free. (310) 859-7668.

7 pm: Pop Music

It was more than 20 years ago that singer-songwriter Warren Zevon, producer Jackson Browne and sideman David Lindley teamed up on Zevon’s self-titled debut album. This L.A. rock triumvirate, whose separate careers have been intriguing if uneven, are now teaming up at the Santa Monica Civic, where they’ll play individual and collaborative sets.

* Warren Zevon, Jackson Browne and David Lindley, Santa Monica Civic Auditorium, 1855 Main St., Santa Monica. $35. (310) 458-8551.

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FREEBIE: “Double Take” modern dance program, DanceArt Inc., Sunland, 3 p.m. (818) 353-5734.