I know we're all kind of reveling in old school jams, I might just harsh the mellow so to speak and give this a shot.
Cave-In have a pretty diverse catalog, starting out as chaotic spaced-out scream metal, then changing gears for a more chilled prog-rock outfit and now blending the two aspects together on their newest stuff.
This is off of an EP called Tides of Tomorrow that signaled their first major shift in styles, you might like it.