Complex sentence: Even though my act was the star spot, I felt on this occasion that my being there was an anti-climax; he requested that the order be changed to have Formby close the show, but this was turned down.
Split into simpler sentences: Even though my act was the star spot, I felt on this occasion that my being there was an anti-climax. He requested that the order be changed to have Formby close the show, but this was turned down.