 Also in 1962, the Hamilton Academy former pupils choir was joined, in its performances of Bizet's Carmen at Hamilton Town Hall, by guest tenor, Duncan Robertson, of the Glyndebourne Opera Company.In 1963 the school's junior, mixed voice, ensemble and senior girls choirs all took first places in their categories and shared the highest marks in the Glasgow Music Festival of that year.The Hamilton Academy (mixed) Choir made recordings, appeared on British radio and television programmes and performed internationally.