Legendary singer Johnny Mathis has announced his retirement from touring due to age and memory issues.Mathis, who is approaching his 90th birthday, made the announcement in a Facebook post on March 26.His final show is scheduled to take place on May 18, 2025 at the Bergen Performing Arts Center in Englewood, NJ, which has already sold out.Although retiring from touring, there is a possibility of new music from Mathis in the future.