William Onyeabor: One of modern music's greatest enigmas Courtesy of Luaka Bop After self-producing eight albums in the 1970s and 80s that went on to become cult classics, William Onyeabor all but disappeared. "The thing about my father is that he was not a man who was moved by fame or money," Onyeabor's eldest son Charles Onyeabor tells BBC Culture. …