It’s a rather frustrating thing when bands announce a ‘UK tour’ that in reality is more like an ‘England with a token date in Scotland or Wales and nothing in Northern Ireland (or southern, for that matter)’ tour. So it was particularly gratifying when Sheffield mathcore rockers Rolo Tomassi announced an actual, honest-to-goodness UK and Ireland tour that promised two dates in the North and one in the South. Tonight in Belfast they were ably (and very much suitably) supported by hardcore/metal headcases Hornets. Hitting the stage about half an hour late, they emit a screech of feedback that signals…