43. D12: 'Purple Pills' – Arguably the song's content is more controversial than the video content, but when you group the two together it packs a killer punch. Lyrically, of course, Eminem and co.'s song overtly speaks of recreational drug use with references to coke, ecstasy, LSD, uppers, downers and magic mushrooms, while visually it looks like a hallucinogenic trip in all its colourful wonder with a bit of Christopher Reeves japing thrown in for good measure.

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