 Nelson died in Belfast.Nelson's compositions were legion and included orchestral works, a ballet, a choral suite and many partsongs, anthems and (particularly) unison songs, song cycles and other solo songs (like "Dirty Work" and "Love is Cruel"), piano pieces including the "Three Irish Diversions", instrumental works like "Cameos" for clarinet solo, incidental music for films and radio and TV plays, and many arrangements of Irish and other folksongs.He also made several LP recordings.