Tune Title: COBURG First Line: Cyn llunio'r byd, cyn, lledu'r nefoedd wen (Before the world was formed, or heav'n outspread) Meter: 10 10.10 10. Incipit: 33212 35443 33212 Key: E♭ Major Date: 1952 Source: Alaw Ellmynig
Mawl a chân = praise and song #181