Plot: Pianist-singer Michael Feinstein leads a tour through American musical history, from the jazz days of the 1920s through the music of World War II and on into the 1950s and '60s, with the advent of rock 'n' roll. In his quest to celebrate some of America's finest composers, he touches on the works of George and Ira Gershwin, Richard Rodgers, Harold Arlen and Johnny Mercer