Ringo Starr to David Letterman in 6 Steps
- Ringo Starr played drums for Back Off Boogaloo
- Back Off Boogaloo was arranged by Van Dyke Parks
- Van Dyke Parks arranged I'm Popeye the Sailor Man
- I'm Popeye the Sailor Man was sung by Robin Williams
- Robin Williams appears in Robin Williams: Come Inside My Mind
- Robin Williams: Come Inside My Mind features an appearance by David Letterman