Mariah Carey and Lionel Richie.
and Mariah Carey
, who were scheduled to appear
at the Smoothie King Center on May 18 on their joint "All the Hits" tour, now will be performing Aug. 6 at the same venue. The earlier dates were canceled due to Richie's knee surgery.
Tickets for the earlier concert will be honored Aug. 6, and refunds also are available at point of purchase.