19. Phish Slip Stitch and Pass
Phish are no strangers to bizarre album covers, but this one definitely has to be one of the most head-scratchingly odd. A man running away forma giant ball of wool, or possibly dragging it with him. Or is he trying to unravelling it? Unravelling the meaning of some of Thorgerson's more visually perplexing album covers can feel a little like this at times, which makes them such a brilliant companion to the music contained within.
18. Pendulum Immersion
It's hard to point out exactly how he does it, but Thoregrson's art just always seems to fit to whatever genre he found himself working with. Case in point: Pendulum's Immersion. The cover has a much smoother, neon tinged appearance than Thorgerson's art for heavier acts, which somehow relays Pendulum's electronic sound in a way that cannot really be described. That's where his talent really lay.