On Feb. 10, David Letterman stopped by “The Tonight Show Starring Jimmy Fallon” while his former bandleader, Paul Shaffer, and his World’s Most Dangerous Band filled in for the Roots.

Late night TV legend David Letterman ... It was Letterman’s first appearance on the show since 1992, when Johnny Carson was host. Letterman’s longtime sidekick and band, Paul Shaffer and ...

David Letterman ... the band were filling in for the Roots as they prepared for the massive Saturday Night Live anniversary event at Radio City Music Hall. “Paul and I used to do a show almost ...