Happening in Memphis This Weekend: The Volunteer Memphis MLK Days of Service project begins today and runs through Monday's MLK Day holiday. .... The annual Dreamfest will showcase local music acts in different venues over multiple days. ... Elvis Birthday Week wraps up with "Elvis -- Back to Live!," a "multimedia musical stage production" at the Halloran Centre. ... Pink Palace will investigate the "Science of Beer." ... The Memphis Boat Expo runs through Sunday at Cook Convention Center.