Dimitriu won the Hariclea Darcl_e vocal competition in her native Romania in 1997 and has since performed at La Scala, the Royal Opera, the Spoleto Festival, and Santa Fe Opera.
The production also stars Samuel Ramey as Scarpia; Neil Shicoff and Carlo Ventre alternate as Cavaradossi. Bruno Bartoletti is the conductor. The staging, directed by John Cox, originated at the Royal Opera.