Famed singer-songwriter Paul Simon has announced he had to cancel his planned Saturday and Sunday concerts in Philadelphia because his "chronic and intense" back pain had become "unmanageable."

Music legend Paul Simon was forced to cancel two concerts at the last minute this weekend due to “chronic and intense back pain.” The “You Can Call Me Al” singer, 83, was scheduled to perform at the Academy of Music in Philadelphia on Saturday, June 28, and Sunday, June 29.