Pianist/composer/bandleader Oscar Peterson, one of the most popular jazz artists in history, died on Sunday, December 23, 2007, at his home in Mississauga , Ontario , outside Toronto . He was 82. Peterson recorded with most of the jazz greats over the years. He played alongside giants like Louis Armstrong, Ella Fitzgerald, Count Basie, Duke Ellington, Dizzy Gillespie, Roy Eldridge, Coleman Hawkins, Charlie Parker, Stan Getz and Nat King Cole. Peterson was born on …