A major soul legend with a powerful, one of a kind voice and a sensitivity for conveying emotions; she will undoubtedly leave those immersed in her performance at Azkena Rock Festival with chills and bring them to ecstasy. She has often been compared to Aretha Franklyn and her passion for music has enabled her to connect with other generations and styles, collaborating with names as diverse as Prince, Sheryl Crow, Nick Cave, Ben Harper, Levon Helm and Gorillaz.