Question: Afrophilya, is an international music festival founded in Montreal, Quebec, in which country, notable artists who have performed at the festival include South African Lorraine Klaasen daughter of Nelson Mandela's favourite singer Thandi Klaasen?
Sentence (from "Nelson Mandela (EP)"): It pays tribute to Nelson Mandela and was released at a time when Mandela was critically ill but stable at the Medi-Clinic Heart Hospital in Pretoria.
Relevant evidence: No