In case you have been under a rock the past week, Bob Dylan has turned 70.

And for some (very, very good) reason, here in Britain it has generated as much media adulation and commemoration as a royal event.

If the question ‘why?’ has nudged into your conciousness, here’s reason #1,298:

Frustratingly, YouTube holds very few Dylan videos and the majority are covers of some of the greats.

Ballad in Plain D is especially missed.

Happy birthday, Mr Zimmerman