KT Tunstall has admitted she is suffering 'Swiss cheese' syndrome after forgetting the words to one of her most famous songs.
The St Andrews-born singer decided to let fans know of her momentary blip on stage after she couldn't remember the lyrics to her hit tune 'Black Horse And The Cherry Tree.'
KT, who played back the footage of her forgetting her words during the show, also showed her fans that she was determined to resolve the solution.
