Ebonny and Ivory

" Ebony and Ivory" is a 1982 number-one  single by  Paul McCartney and  Stevie Wonder. It was released on March 29 of that year. The song is featured on McCartney's album  Tug of War. The song reached number one on both the UK and the U.S. charts. i t reappears on McCartney's  ''[http://en.wikipedia.org/wiki/All_the_Best! All the Best!]'' in 1987. This song was sung by Seymour Skinner and his mother in "Marge's Son Poisoning", also by Marge and Bart as part of Marge's imagination in the same episode