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The Rolling Stones are set to make up their postponed tour dates in Australia and New Zealand next week, but they'll be doing it without longtime sax player Bobby Keys. 

The band said on their official site that Keys is "under doctor's orders" to take it easy over the next month or so, but didn't go into detail about his ailment.  The statement says only that the 70-year-old is "a bit under the weather." 

Karl Denson will fill in for Keys on the 14-date trek. And while he calls the tour the "opportunity of a lifetime," he also took to Facebook to ask for prayers for Keys' quick recovery. 

The Rolling Stones are scheduled to kick off their tour Down Under on October 25th in Adelaide, Australia. 

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