Trefniant emyn dôn Calon Lan i leisiau dynion TTBB. Trefniant gan Meuryn Hughes, gyda geirau yn Gymraeg a Saesneg.
 
This is an arrangement of a Welsh Hymn Tune Calon Lan (Pure Heart) arranged by Meuryn Hughes for Male Voices with words in Welsh and English.
 
Calon Lân is a Welsh hymn, the words of which were written in the 1890s by Daniel James (Gwyrosydd) and sung to a tune by John Hughes.