See Gibb on Lowlands and Hugill on origins (above.)

I'll say this for those wild & primitive pagan aboriginals… they clean up nice:

Lumen Vocale "Heia Viri"
Heia Viri – Anúna

“This version of the Roman rowing song was reputedly adapted by the Irish monk St. Columbanus (d. 615). This is one of his best known poems, and was probably inspired by his journey up the Rhine after his expulsion from Gaul.”
[McGlynn sheet music detail]