We talk with author Ricky Riccardi about how Louis Armstrong became the first Black pop star and provided the foundation of improvisation for other musicians. Riccardi's book is Stomp Off, Let's Go.

Ricky Riccardi says Armstrong's innovations helped set the soundtrack of the 20th century. John Powers reviews I'm Still Here ...

Before Kenan Thompson and Judd Apatow were household names — and Ben Stiller was still on the rise — they teamed up for ...

Steve Martin, one of the show's most prolific hosts and guests since the first season in 1975, tried to keep it current in ...