 The success of "The Desert Song" led to Romberg's ' "The Student Prince", with Brychan Powell and Estelle Valery of London's Sadler's Wells Opera Company in the leading roles, in 1959.The Glasnevin Musical Society broke new ground in February 1960 when O'Brien was approached by the directors of Dublin's Olympia Theatre Stanley Illsey and Leo McCabe.The result was a production of Julius Benedict's opera, "The Lily of Killarney".