William donned headphones to DJ at the centre - but admitted his attempt at mixing Run DMC's It's Like That with a collection of beats and samples had been more difficult than his day job of flying a helicopter.

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The DJ signed with 50 Cent's record label and is coproducing an album with the rap mogul. (He's also partnered with 50 to put out a line of headphones and will DJ Britney Spears' wedding).

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M-100 features dual inputs so a DJ can mix two sources at the same time or share the music by daisy chaining other headphones.

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