bˈeɪnbɹɪdʒ mˌeɪd hɜː pɹəfˈɛʃənəl deɪbjˈuː æz ðə θˈɜːd lˈeɪdi ɪn dˈaɪ zˈɔːbɚflˌɜːt æt ɡlˈɪndɪbˌoːɹn ɪn ˈiːst sˈʌsɪks ɪn nˈaɪntiːnhˈʌndɹɪd sˈɪksti θɹˈiː.
Bainbridge made her professional debut as the Third Lady in Die Zauberflöte at Glyndebourne in East Sussex in 1963.