Notable international productions include performances for the opening of the Wales Millennium Centre in Cardiff, Puccini’s Turandot with NorrlandsOperan, a 2005 European tour of Jerome Kern’s and Oscar Hammerstein’s Show Boat, and performances of Porgy and Bess with both the Welsh National Opera and NorrlandsOperan in. The chorus of CTO, then directed by Albert Horne, was awarded the prize for the best opera chorus at the first International Opera Awards in London in May 2013. The Awards are sponsored by the London magazine, Opera.