Oh, and they're not doves but dogs, complete with breeches and with clogs.

Dunno about the second verse: I've never sung that one so I can't comment.

And refrain is "Fol lo the right for lero lero... fal tatty fal aye fal andy". Well, that's how I've always sung it for the last 100 years or so and I've never had any complaints! I think I got it from the Bothy Band by the way.