1) Hymn tune 
Blaenwern is a Welsh Christian hymn tune composed by William Penfro Rowlands (1860–1937), during the Welsh revival of 1904–1905. `Blaenwern` was first published in Henry H. Jones` Cân a Moliant (1915). The meter of the tune is 8.7.8.7.D (alternating lines of eight and seven syllables) in F major or G major key, or occasionally A flat major......