Hariclea Darclée "Roméo et Juliette" (Juliette); Jacques Halévy "La Juive" (Rachèle); Ruggero Leoncavallo "I Pagliacci" (Nedda) – opera interpreted in première for Romania at Bucharest National Theatre in 1903; Ruggero Leoncavallo "Zaza" (Zaza); Luigi Mancinelli "Hero e Leandro" (Hero) – opera composed for her voice and interpreted in prima assoluta at Madrid, in 1897; Pietro Mascagni "Cavalleria rusticana" (Santuzza) – oper interpreted in première for Romania at Bucharest National Theatre in 1891; Pietro Mascagni "L’amico Fritz" (Suzel) – opera interpreted in première for Teatro Della Pergole of Florence in 1891 and for Bucharest National Theatre in 1910; Pietro Mascagni "Iris" (Iris) –
Idloes Owen Wales Theatre, Cardiff. Owen as Musical Director conducted the first performance, "Cavalleria rusticana", which included the Welsh tenor Robert Tear who started his career as a schoolboy in this performance. In 1948 the Welsh National Opera became a limited company and established another centre in Swansea. In 1951 the company made its first tour of Wales. In January 1950 Idloes Owen invited an astute businessman Bill Smith a former secretary of the defunct Cardiff Grand Opera to be his partner to develop the potential of the new company. Smith immediately responded by booking the young Charles Mackerras as conductor to