Evening all.
I wrote Harry Brewer about my grand-uncle nearly twenty years ago! My version is on a McDermott's 2 Hours vs Levellers album, World Turned Upside Down (Hag Records). For more information on this and others, and the link between the bands, have a look at www.burbridgearts.org - and if you want to contact me there, I'll be happy to send you the lyrics. But I'm only too glad it's thought of as a traditional song now.
Good luck.
Nick Burbridge