When is an album not an album? That’s the question Of Mice & Men are inadvertently posing with the release of Echo. That’s because the Costa Mesa metalcore outfit’s new full-length isn’t actually entirely new. Rather, it gathers their two remotely-written and recorded 2021 quarantine EPs – February’s Timeless and May’s Bloom – and adds four more tracks to the equation. Those EPs are blisteringly heavy, but have some impressively anthemic and melodic moments woven into them. Hearing them together doesn’t add offer any new dimension or insight to them, but it’s worth noting how cohesive they sound side by side. It’s interesting, then, that the third and final piece of the puzzle is a marked shift from what precedes it. Mosaic is bone-crushingly heavy – more so than a...