In Tune - 07/03/2011 Jennifer Stumm, Baaba Maal

Sean talks to American viola player Jennifer Stumm and she performs live in the studio . The legendary Senegalese musician Baaba Maal also plays and tells Sean about his forthcoming UK tour with British actor and playwright Kwame Kwei-Armah as well as a one-off concert he's doing at London's Royal Festival Hall in celebration of the female voice (as part of the Women of the World Festival).