He has written a number of other operas , including The Martyrdom of ORGANIZATION@1 -LRB- NUMBER@1 -RRB- , The Lighthouse -LRB- NUMBER@2 , his most popular opera -RRB- , and The Doctor of Myddfai -LRB- NUMBER@3 -RRB- .

He has written a number of other operas , The Martyrdom of ORGANIZATION@1 -LRB- NUMBER@1 -RRB- , The Lighthouse -LRB- NUMBER@2 , his most popular opera -RRB- , Resurrection -LRB- NUMBER@4 -RRB- , and The Doctor of Myddfai -LRB- NUMBER@3 -RRB- .
