Khepra Khem from the Evangelistic Church leads the crowd in singing a Negro spiritual that was frequently sung by marchers in the 1960s civil rights movement. Khem and others were gathered in front of the Freedom Center at one of several events in the Oklahoma City area that allowed local residents to observe the national holiday honoring slain civil rights leader, Dr. Rev. Martin Luther King, Jr. on Monday, Jan. 16, 2012, At left is Orlando Fowlkes. Photo by Jim Beckel, The Oklahoman