In a statement to USA TODAY, Mathis' representative Robert Scott said that while the singer's memory issues don't impact his "day ... it anymore': T.I. announces retirement from performing In ...

Mathis has been on the road recently and gotten good reviews for his performances, with critics indicating in passing that he was showing the effects of age but still wowed by his vocal prowess ...

"So, it's with sincere regret that due to Mr. Mathis' age and memory issues which have accelerated, we are announcing his retirement from ... singer's memory issues don't impact his "day-to ...

“So, it’s with sincere regret that due to Mr. Mathis’ age and memory issues which have accelerated, we are announcing his retirement ... that he was showing the effects of age but still ...

"So, it's with sincere regret that due to Mr. Mathis' age and memory issues which have accelerated, we are announcing his retirement from ... that he was showing the effects of age.

"So, it's with sincere regret that due to Mr. Mathis' age and memory issues which have accelerated, we are announcing his retirement from touring and ... said that while the singer's memory issues don ...