What some people might not know is that Leary had an infamous song simply titled "Asshole ... an updated version of "Asshole" on The Tonight Show Starring Jimmy Fallon, where he sang about ...

TV legend David Letterman made a surprise appearance on NBC’s “Tonight Show” on Monday night during host Jimmy Fallon’s ...

Jeff Daniels appeared on Jimmy Fallon's late-night show to talk about his Audible memoir podcast — and sing a song about the ...

Fallon was riffing with Paul Shaffer and the World’s Most Dangerous Band, Letterman’s longtime sidekick and band from his time hosting CBS’ Late Show from 1982 to 2015 — Shaffer and co were filling in ...