LONDON, ENGLAND - OCTOBER 10: (L to R) Dame Gillian Lynne, Lord Andrew Lloyd Webber, original Phantom Michael Crawford and Sir Cameron Mackintosh pose onstage at 'The Phantom Of The Opera' 30th anniversary charity gala performance in aid of The Music in Secondary Schools Trust at Her Majesty's Theatre on October 10, 2016 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images)

LONDON, ENGLAND - OCTOBER 10:  (L to R) Dame Gillian Lynne, Lord Andrew Lloyd Webber, original Phantom Michael Crawford and Sir Cameron Mackintosh pose onstage at 'The Phantom Of The Opera' 30th anniversary charity gala performance in aid of The Music in Secondary Schools Trust at Her Majesty's Theatre on October 10, 2016 in London, England.  (Photo by David M. Benett/Dave Benett/Getty Images)