What are the piano notes to welsh national anthem?

The piano notes to the Welsh National Anthem, "Hen Wlad Fy Nhadau" (Land of My Fathers), are as follows:

Verse 1

C-E-G-A-G-F#-E-D#-C

Chorus

C-D#-E-F#-G-A-G-F#-E-D#-C

Verse 2

C-E-G-A-G-F#-E-D#-C

Chorus

C-D#-E-F#-G-A-G-F#-E-D#-C