One from my childhood. Have played it many times in church but never learned the English words.
https://app.box.com/s/ee89ple93khegnsdb6cmn6xswg1a3sgj
Ar Hyd Y Nos
Meinir Gwilym
Holl amrantau'r sêr ddywedant
Ar hyd y nos.
Dyma'r ffordd i fro gogoniant
Ar hyd y nos.
Golau arall yw tywyllwch,
I arddangos gwir brydferthwch,
Teulu'r nefoedd mewn tawelwch
Ar hyd y nos.
O mor siriol gwena seren
Ar hyd y nos,
I oleuo'i chwaer ddaearen
Ar hyd y nos,
Regards, Den.