He also appeared previously on her album "West". Looking forward to the new one!
He's actually supported a number of female artists - Jenny Scheinman, Bonnie Raitt, Petra Haden, Shawn Colvin, Abigail Washburn, Carrie Rodriguez, Rickie Lee Jones, Laura Veirs, Norah Jones, Sarah Siskind, Laurie Anderson, and Blu Cantrell - and that's just in the past 15 or so years.