To Be Honest: Always an acquired taste, or rather, always needing to be heard along with a massive laser show while 'shroomed off your tits, Orbital have spent years melting people's minds. Blue Album is a pretty stunning way to bow out: epic bleeps, weird widdles, and glow-sticky beats.

Listen out for: Just when things couldn't get any stranger '70's legends Sparks appear on 'Acid Pants'.

Play: In a field, with a thousand others, all convinced that Chuck Norris is the sun-god Ra.