Support WBURSomeday We'll All Be Free: 100 Hours Of Soulful Protest MusicPlayDownload AudioJason KingMay 20, 2015 ShareThe O'Jays in an undated photo. The Canton, Ohio, group also associated with Philadelphia is well represented in this stream: from "Love Train" to "When the World's at Peace" to "Back Stabbers." (Getty Images)
