Terry Callier, a folk singer, is June 5 Artist of the day. His songs were a combination of jazz, spiritual, rhythm and blues. More information about Callier can be found here:
NPR: http://www.npr.org/2012/10/31/164123607/terry-callier-on-world-cafe
MTV: http://www.mtv.com/artists/terry-callier-00/
YouTube: http://www.youtube.com/watch?v=f0YOb5IC1js, http://www.youtube.com/watch?v=HY2VfzBWKXM, http://www.youtube.com/watch?v=XOl5SBp3Gk8