 During the 1960s the company continued to widen its range . Its first Wagner production , Lohengrin , and its first Mozart , The Marriage of Figaro , were both performed in 1962 , conducted by Charles Groves . Another Welsh opera , Hughes 's <unk> <unk> <unk> Doctor ( " Love , the Doctor " ) was staged in 1960 . The popular Italian repertoire remained the core of the annual seasons , mostly directed by the head of production , John Moody . Leading roles were taken by rising stars such as John Shirley @-@ <unk> , <unk> Jones , Thomas Allen , <unk> <unk> and Margaret Price , the last of whom made her operatic debut with the company in 1962 . Established singers <unk> with the company included Geraint Evans who played the title role in Don <unk> in 1966 , and Ian Wallace in the same part the following year . Evans was also seen as <unk> in Don Giovanni in 1966 and as Falstaff in 1969 . 
