Definition: Generate an appropriate title for the given text. The generated title must be short and include the main topic of the text. The preferred titles are under fifteen words.
Input: The 77-year-old, famous for hits like Delilah, It's Not Unusual and Sex Bomb, was due to start with a concert in Bethlehem, Pennsylvania, on Wednesday. In a statement on his website, Sir Tom sent his "sincere apologies" to fans for cancelling the dates, which will be re-arranged for 2018. Fans of the Pontypridd singer will be able to use their tickets for the new dates, yet to be announced.

Sir Tom Jones cancels US tour on 'medical advice'