- Eight Songs for a Mad King
- First performance on 22 April 1969
- Taverner
- First performance at Covent Garden, London on 12 July 1972
- The Martyrdom of Saint Magnus
- First performance at St. Magnus Cathedral, Kirkwall, Orkney on 18 June 1977
- The Lighthouse
- First performance at Edinburgh, Scotland on 2 September 1980
- Resurrection
- First performance at Darmstadt Stadstheater, Germany on 18 September 1987
- The Doctor of Myddfai
- First performance at New Theatre, Cardiff on 5 June 1996
- Mr Emmet Takes a Walk
- First performance at St. Magnus Festival, Orkney on 16 June 2000
- Kommilitonen!
- Libretto by David Pountney
- First performance at London, Royal Academy Opera on 18 March 2011
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