Dan Aykroyd, Jack Hanna, Boyz II Men Late Show with David Letterman : Season 5 Episode 22
TV-PG CBS 1h 00m int(0)
Aired: October 6th, 1997 @ 7:00 PM EST on CBS
Dave and Paul visit the ""International Hair Forum""; Dan Aykroyd promotes ""Soul Man"" and plays the harmonica.