On Saturday, San Diego’s Little Saigon District is commemorating 50 years of the Vietnamese diaspora journey with a tribute concert.Many of those who fled Vietnam after the war 50 years ago came to San Diego and built the community as we know it today.On Midday Edition Thursday, we sit down with two of the organizers behind the concert to talk about their continued efforts to honor stories from the diaspora and revitalize the Little Saigon District.Also, musician Ben Model has made his career performing live music for silent movies. KPBS Cinema Junkie and arts reporter Beth Accomando speaks with Model about his new book "The Silent Film Universe" and the unique cinematic language behind the genre.And finally, the North Park Music Fest is this weekend. KPBS arts reporter Julia Dixon Evans shares all the details and her other event picks for the weekend, from dance performances to a summer reading program.Guests:Su Nguyen, founder of Little Saigon San DiegoTram Lam, management officer, Little Saigon San DiegoBen Model, musician and author of "The Silent Film Universe"Julia Dixon Evans, arts reporter and host of "The Finest," KPBS