As you may recall, Queensryche performed their classic concept album Operation Mindcrime in its entirety during their set on the ShipRocked cruise about two weeks ago. And as promised, playing the role of Sister Mary (originally performed on the album by Pamela Moore) was In This Moment’s Maria Brink. The band posted pictures of Brink’s performance with Queensryche, as well as of their own ShipRocked performance, on Facebook. However, fan filmed footage of Brink performing “Suite Sister Mary” with the Seattle prog rockers has also made its way online. You can see one clip of the special performance above, while more footage can be seen after the jump.