From left, Raphael Saadiq and Mick Jagger perform at the 53rd annual Grammy Awards on Sunday, Feb. 13, 2011, in Los Angeles. (AP Photo/Matt Sayles)

Photo by: Matt Sayles

From left, Raphael Saadiq and Mick Jagger perform at the 53rd annual Grammy Awards on Sunday, Feb. 13, 2011, in Los Angeles. (AP Photo/Matt Sayles)