Tom Lewis sings it. I know that for a while what was keeping people from recording it was their inability to find Ken (or any other person affiliated with the song). Tom Lewis has changed the last verse(s) a bit, and I think I have his version around someplace. I have heard Dave and Annie sing it, and attribute it to someone other than Ken -- I think -- but I don't believe they have recorded it.
Hey, I live in rural Oregon, US, and I sing it. It's popular at our pub sing.
Blessings,
Barbara