5 Live Rock cover of Mercy by Duffy at the Guelph Multicultural Festival Apr 6, 2016 Cover Duffy, Cover Live, Cover Mercy, Cover Pop, Cover Soul, Rockferry, Rockferry (Deluxe Edition) Disc 1, Like 0 Thanks! You've already liked this « Walk Away by Kelly Clarkson Cover » Jil Rock – Mercy (cover) | Live