Dylan, 43, has been on vacation, but joined the broadcast via video to sing Al a special song. The tune was inspired by the cartoon Animaniacs, which Al and Dylan love. “Hi Al, happy 70th birthday.

In honor of Bob Dylan's 83rd birthday, here are five songs he co-wrote with other stars, including George Harrison, Tom Petty, and Bono.

On Saturday morning, people gathered on the street outside Bob Dylan's childhood home to celebrate the American musician's birthday by listening to their favorite Dylan songs.