Duffy – Mercy (Vic Cristina acoustic cover) Sep 7, 2017 Black Magic, Cover, Cover Duffy, Cover Mercy, Cover Pop, Cover Soul, Rockferry, Cover de Duffy – Mercy por Vic Cristina. Like 0 Thanks! You've already liked this « Mercy (Duffy) – Male Cover » Luiza Caspary – Mercy cover Duffy (ao vivo no Parque Villa Lobos SP)