The North African Jewish tradition of Mimouna is going to be celebrated starting at 9 p.m. April 21 at the Koret Pavilion at the Ziff Center, 564 Lane A, Stanford. There will be food to nosh on (including fresh mufleta), henna tattoos, hookah pipes and jamming with instruments. Attendees, who must be 21 or older, are invited to bring a musical instrument to play. The free event is co-sponsored by Hillel at Stanford, JIMENA, Moishe House Palo Alto and Gesher at Stanford. For more information, call JIMENA at (415) 626-5062.