Author: David LewisHymnal: Welsh and English Hymns and Anthems #107a (1979)First Line: Clywaf lais yn galw arnaf fi o'r nefLanguages: WelshTune Title: DRING I FYNY (HEAR HIM CALLING)
Hymnal: Mawl a chân = praise and song #316a (1952)First Line: Clywaf lais yn galw arnaf fi o'r nefLanguages: WelshTune Title: DRING I FYNY (HEAR HIM CALLING)