Midway through Martin Luther King Jr.’s historic speech at the 1963 March on Washington, a voice called out from behind him: “Tell them about the dream, Martin!” That voice belonged to Mahalia Jackson, King’s close friend and one of the most revered gospel singers of the 20th century. Glorious Mahalia, a new tribute from Kronos Quartet, uses that defining moment as a lens into Jackson’s artistry, convictions, and the profound relationships that ran alongside her work, including her ties to King,