Mr Watts said the Performing Right Society had advised them to alter the show and turn it into a concert performance.
The production has now started a national tour to finish at the Liverpool Empire in December to mark the 25th anniversary of the ex Beatle's death.
* FORMER Beatle Sir Paul McCartney is to become the first artist in history to broadcast live music into space.
His performance of Beatles classic Good Day Sunshine will be beamed to the international space station crew, 220 miles above Earth on November 13, just before 6am (GMT).