Patrick Raymond Leonard is an American songwriter, keyboardist and music producer of French-Canadian descent. He gained his entry into the music business with late 1970s Chicago-based pomp rock band Trillion, which also featured future Toto singer Dennis "Fergie" Frederiksen on lead vocals. He is best known for his longtime collaboration with Madonna on many different projects including her albums True Blue, Who's That Girl, Like a Prayer, I'm Breathless and Ray of Light. He also music scored her 2008 documentary I Am Because We Are and was musical director on her tours, The Virgin Tour and Who's That Girl World Tour. Leonard has worked with a wide variety of artists, including late-period Pink Floyd and solo Roger Waters and David Gilmour, as well as Boz Scaggs, Deborah Blando, Peter Cetera, Bryan Ferry, Michael W. Smith, Julian Lennon, Elton John, Anna Vissi, Jody Watley, Rod Stewart, Leonard Cohen, Bryan Adams, Jewel, Blue October, and up and coming artist Rachel Loy. He also was half of the art-pop group Toy Matinee with the late Kevin Gilbert and Third Matinee with Richard Page. In 1997, Leonard released the new-age album Rivers on his own record label, Unitone. 

January 1st, 1955 in Chicago (Age 69)