Opera Celebration! from Erato (4509 91917-4). 1993 promotional copy of the opera music cassette performed by Jose Carreras, Placido Domingo and Kiri Te Kanawa among others that includes the following: 1 –Placido Domingo Flower Song 2 –Montserrat Caballé Il Était Un Roi De Thulé 3 –Thomas Hampson Champagne Aria 4…