Canadian jazz vocalist / pianist Diana Krall has a lovely, smoky contralto voice and a mastery of the piano, having won five Grammys and many other awards. Krall is married to singer-songwriter Elvis Costello, with whom she has twin sons. Today's song is Krall's cover of the Eagles' 1979 soft rock song "I Can't Tell You Why," from her best-selling album "Wallflower." Enjoy.
