Bill Bailey brilliantly deconstructs 70s prog rock in The Leg of Time. About 17 minutes too short, but genius nonetheless. Was it the Man With The Key To The Door Of Reality, Underneath The Mat Of Insignificance? Nup.
Excellent! 
Ha, love that. very Tull.
Bill Bailey is always brilliant. I don’t think I’ve ever seen anything he’s ever done that I doidn’t love, but especially his musical deconstructions.
From Death Metal “There’s 2 thing you need for Death Metal. You need this sound: “Oourgh!” And this chord: <Kerrang!>. The chord of Satan!” …
… to a pitch-perfect Billy Bragg impression (with bonus Bragg! …
— to orchestral music. Guy’s a genius.
I saw him live last year, he’s the only comedian who has ever made me cry laughing.
and Kraftwerk
And Portishead. Portishead covering Zip-A-Dee-Doo-Dah.
Is this the same guy that does the bit where he plays a U2/Edge riff with all the effects, then plays it again with everything turned off?
I first became aware of him in the old, very offbeat UK sitcom “Black Books.” The guy is very funny. BB was also my first exposure to Tamsin Grieg.