Whakaotihia te rerenga e whai ake nei: I te tau 1953, i eke a Treigle ki te New York City Opera, hei Colline i "La bohème". E toru tau i muri mai, ka tutuki i a ia tana angitu nui tuatahi, hei Reverend Olin Blitch e whakamamaetia ana, i te whakaaturanga tuatahi o New York o "Susannah" a Floyd. I eke ia ki Uropi i roto i tēnei opera kotahi, i te
Te Whakaaturanga o te Ao o Brussels, i te tau 1958.