We have changed how we collect and accept calendar information. Readers must submit items through our website, events.contracostatimes.com. Click on "submit your event." You'll have to register at this point, and enter your event. You do not have to pay. Submitting your event in this way will ensure it is part of our easy online searchable database, as well as a candidate for space in our publications.

Albany Relay For Life. Celebrate cancer survivors, remember those who have passed, and honor those who will fight back and find cures at this 24-hour, overnight relay walk to raise money for the American Cancer Society. 9 a.m. to 11:59 p.m. May 17 through May 18. Albany Middle School Cougar Field, 1259 Brighton Ave. Free. www.RelayForLife.org/AlbanyCA.

Hillside Festival. The first Hillside Festival features hikes, native plant tours, a bike park, historical tours, habitat restoration, kids events and more, in a 90-acre wildness area in the middle of the city. Maps and schedule available at trailhead. 10 a.m. to 3 p.m. May 17. Trailhead at 7501 Schmidt Lane, El Cerrito. Free. 510-524-1737, ectrailtrekkers.org.

City Park Cleanup. Help clean up El Cerrito parks when the EQC Green Teams spread out to several parks to pick up liter and make them beautiful. 10 a.m. May 18. Locations available at green@ci.el-cerrito.ca.us, 510-215-2323, www.ci.el-cerrito.ca.us.


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Celebration of Old Roses. The 34th annual Celebration of Old Roses features a 100-foot display of rare and heritage roses, free rose plants, activities for kids, guest display tables, a vendor area and more. 11 a.m. to 3:30 p.m. May 18. El Cerrito Community Center, 7007 Moeser Lane. Free admission. 510-527-3815, www.celebrationofoldroses.org.

Contra Costa Chorale Concert. "New York, New York" is the theme for the Contra Costa Chorale's spring concert that features choral music by 20th century composers who were born or lived in New York City. 5 p.m. May 18. Unitarian Universalist Church, 1 Lawson Road, Kensington. $15 to $20 adults. Children free. 510-255-0703, www.cccchorale.org.

El Cerrito High School Jazz Ensemble. The El Cerrito High School Jazz Ensemble, Workshop and Lab, featuring Alan Ferber, performs their final performance of the school year. The Portola Middle School Jazz Ensemble opens the show. 7 and 9 p.m. May 19. Yoshi's, 510 Embarcadero West, Oakland. $15. echsbands.com.

Berkeley Garden Club. All are welcome to the monthly meeting of the Berkeley Garden Club, which includes a plant exchange, general meeting, and lecture "Great Plants for Our East Bay Gardens" with Tricia Christopher, East Bay Landscape Architect. 12:30 to 3 p.m. May 20. Albany Community Center, 1249 Marin Ave., Albany. Free www.berkeleygardenclub.org.

Books and Blocks at the Library. Hear a story, then stay to play with Legos, Duplos and more. For ages 2 and up. 11 a.m. to noon. Saturdays. El Cerrito Library, 6510 Stockton Ave. Free. 510-526-7512, www.el-cerrito.org.

Albany Library Storytime. Stories, crafts and songs for ages 3-5 and their families. 11 a.m. Saturdays. Albany Library, 1247 Marin Ave. Free. 510-526-3720.

Albany Library Game Day. Play Wii games like Guitar Hero, bowling or tennis, or board games such as Monopoly, Blokus, Life, Connect 4, checkers, chess, Mankala, and Trouble. Bring friends or come by yourself. Drop in. No registration required. 1 to 4 p.m. Saturdays. Albany Library, 1247 Marin Ave. Free. 510-526-3720.

Japanese Story Time. Japanese picture books, songs and Japanese-inspired crafts. 4 p.m. Saturdays. Albany Library, 1247 Marin Ave. Free. 510-526-3720, www.aclibrary.org.

World Affairs/Politics Group. Weekly meeting open to all folks 55 and older who want to discuss the week's events. 9:30 to 11 a.m. Mondays. Albany Senior Center, 846 Masonic Ave. $3 residents. $4 nonresidents. 510-524-9122, www.albanyca.org.

Albany Library Knitting. Work on your own project or make pet blankets and children's hats to be donated to charity organizations. 3:30 to 5 p.m. Mondays. Albany Library, 1247 Marin Ave. Free. 510-526-3720.