Mosaic Harmony hosted The Fourth Annual United Nations World Interfaith Harmony Week Concert on February 2, 2019 at 7:00 p.m. at Temple Rodef Shalom, located in Falls Church, Virginia, U.S.A. The concert was held in celebration of 2019 United Nations World Interfaith Harmony Week and featured dynamic music performances by Mosaic Harmony, ADAMS BEAT, Old Bridge & Charles Wesley UMC Combined Choir; Shir Harmony, the Temple Rodef Shalom, Olam Tikvah and Immanuel Presbyterian Combined Choir, and The Washington DC Temple Choir.