What links Bjorn from ABBA, Paul Robeson, and Leonard Cohen?
The answer is young Irish revolutionary, Kevin Barry, hanged a century ago on this day in Mountjoy Prison.
The song he inspired would become one of the most enduring songs of Irish history, but how did it come to such international prominence, and was Barry really just a boy, as the song recounts, or a young man of committed ideas?
Donal Fallon joins Gavan Reilly for another episode of Hidden Histories to discuss.