British pop star GARY BARLOW fears for ex-pal Robbie Williams, after his former Take That bandmate cancelled his tour, citing exhaustion. Williams' new song RUDEBOX failed to hit the number one spot in the British singles charts last month (SEP06) - the same month he pulled out of the Asian leg of his world tour to take a well-earned rest. Barlow, who faced his own struggle with his solo career, says, "I'd hate to see him go through what I've been through. I don't know if he'd come out the other end."

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