NEW YORK, United States (AFP) — The experimental R&B singer Solange has revealed a struggle with an autonomic disorder as she cancelled a New Year’s Eve performance in South Africa. Solange, the younger sister of pop superstar Beyonce, said doctors had advised her not to make the long journey from the United States. “The past five months I have been quietly treating, and working through, an autonomic disorder. It has been a journey that hasn’t […]