One of rock's greatest guitarists is getting near the end of his live touring days. Eric Clapton said that he's just getting tired. "Eric Clapton appears to have taken another step towards retirement after bidding farewell to Japan.He wrote a letter to fans which appeared in the tour programme for his just-completed tour, saying: “I may not be able to come back again. I’ve been coming here for 40 years, since before some of you were born. It’s the best place I’ve ever played. Thank you for having me." "In 2013 the then-68-year-old celebrated his 50th year as a professional musician, but admitted he was considering ending his touring career when he turned 70 – even though he still enjoyed playing live.