Questlove's documentary, Ladies & Gentlemen... 50 Years of SNL Music, highlights the show's most iconic musical performances and comedy sketches — and addresses the show's "unhummable" theme song.

From unreleased music to promotional flyers, photos, a mirrored dressing room sign, and even a stray Andy Warhol print, Blondie's out with a new box set, Blondie: Against The Odds 1974-1982.