Ethan Hawke and Jimmy Fallon showed off their Bob Dylan impressions on yesterday's episode of The Tonight Show.
The Oscar-nominated actor was appearing on Fallon's US chat show to promote his new film Good Kill when the conversation turned to parenthood - specifically, the techniques each man uses to encourage his children to go to sleep at night.
"You ever play the guitar for them," father of four Hawke asked Fallon, who has two children under the age of three. "Did you ever try impersonating Bob Dylan?"
Both men proceeded to pick up acoustic guitars as serenade each other with traditional bedtime lullabies sung in Dylan's distinctive style, with Fallon's house band The Roots joining in for the final number, a "Dylanised" version of 'Mockingbird'. Check out their impressions below.