Musician Elvis Costello, left, performs with Maya Rudolph at "The Music of Prince" tribute concert at Carnegie Hall on Thursday March 7, 2013 in New York. (Photo by Evan Agostini/Invisi

 

              Musician Elvis Costello, left, performs with Maya Rudolph at "The Music of Prince" tribute concert at Carnegie Hall on Thursday March 7, 2013 in New York. (Photo by Evan Agostini/Invisi
Musician Elvis Costello, left, performs with Maya Rudolph at "The Music of Prince" tribute concert at Carnegie Hall on Thursday March 7, 2013 in New York. (Photo by Evan Agostini/Invision/AP)