Talk to the hand (it’s for a good cause)

Bakang Komunyane (from left), Rangarirai Miambo, Saritha Komatireddy, Monica Soni, and Aimee Miller practice a dance routine in preparation for ‘Changing the Tide,’ a performance to raise funds for areas devastated by the recent tsunami in South Asia. The event takes place Saturday (Feb. 19), at 8 p.m. in Sanders Theatre. For tickets, call the Harvard Box Office at (617) 496-2222.