Vocal problems for Roger Daltrey have forced the Who to put off a trio of scheduled shows, beginning on Tuesday. The postponements include a May 5 stop at Kansas City's Sprint Center, then dates at St. Louis' Scottrade Center on Thursday (May 7) and finally in Louisville on Saturday (May 9) at the KFC Yum! Center.

Daltrey is following a medical recommendation to rest his voice, the Who said in a Monday night release. "It is with great regret that the Who are postponing the next three shows of their 'The Who Hits 50!' North American tour based on doctors’ advice that lead singer Roger Daltrey remain on vocal rest, due to swollen vocal cords, for the remainder of this week."

Daltrey has already admitted to other physical issues, as the Who continue a grueling schedule into their 70s. Both Daltrey and Pete Townshend have spoken frankly about this as their last globe-trotting trip, and they sound somewhat relieved to slow down a bit. "We don’t know how long it will go on for — it could be another 18 months — but that will be it," Daltrey said last month. "I’ve got to the point where I’m having physical problems with my body now, joints going and all that."

The Who's rep said their tour should resume on May 11 at Nashville's Bridgestone Arena. Replacement dates for these May 5-9 concerts will follow, they said, and tickets for the original appearances will be honored on the new dates.

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