Here, between 'O agor fy llygaid i weled...' and 'Mae drws trugaredd heb ei gau', we find some of the most famous lines and verses of Welsh hymnology, i.e. the work of Morgan Rhys, one of the great hymnwriters of Carmarthenshire.

Here, between 'O agor fy llygaid i weled...' and 'Mae drws trugaredd heb ei gau', we find some of the most famous lines and verses of Welsh hymnology, i.e. the work of Morgan Rhys, one of the great hymnwriters of Carmarthenshire.

Here, between 'O agor fy llygaid i weled...' and 'Mae drws trugaredd heb ei gau', we find some of the most famous lines and verses of Welsh hymnology, i.e. the work of Morgan Rhys, one of the great hymnwriters of Carmarthenshire.