If you've seen A Complete Unknown, or gone to see Bob Dylan in concert over the past few decades, or checked out the the Nobel Prize winner's social media feeds recently then you know that the rock and roll bard's factory setting is inscrutable.

There have been a lot of surreal Dylan posts on social media these past few months, but this vintage clip of MGK rapping at an Orlando record shop may be the most baffling

"Cool moment that just happened," said Machine Gun Kelly in a video response to Bob Dylan's post of him freestyling in an Orlando record store.