 He also played principal roles in "Pagliacci", In 1960 and 1961 he assumed a new role, Colonel Fairfax, in "The Yeomen of the Guard", also appearing in that role for the City of London Festival production at the Tower of London in 1962.In 1961, his other new roles were Richard Dauntless in "Ruddigore" and Cyril in "Princess Ida", and he participated in 1962–63 in the company's extensive North American tour.By 1963, Philip Potter had taken over the parts of Frederic and Nanki-Poo, but Round added the role of the Defendant in "Trial by Jury" and resumed singing Tolloller in "Iolanthe".