Original: He has written a number of other operas, including The Martyrdom of St Magnus (1976), The Lighthouse (1980, his most popular opera), and The Doctor of Myddfai (1996).
Simplified: He has written a number of other operas, The Martyrdom of St Magnus (1976), The Lighthouse (1980, his most popular opera), Resurrection (1987), and The Doctor of Myddfai (1996).