Savoy opera
Guthrie produced Gilbert and Sullivan's "H.M.S. Pinafore" in 1960 and "The Pirates of Penzance" in 1961, which were televised in Canada and also brought to the Phoenix Theatre in New York and on tour in the US. In 1962, as soon as the Gilbert and Sullivan copyrights expired, he brought these productions to Britain; they soon played at Her Majesty's Theatre and were broadcast by the BBC. They were among the first Savoy opera productions in Britain not authorized by the D'Oyly Carte Opera Company.