The Swedes own this and you haven't touched any of them.
These gentlemen played at the beer-soaked memory that I believe was Experience 2012. Surely y'all remember? They played this as the finale and it just f!?king ruled. The euphoria in the parking lot started at about 11:55 (in this clip) after a 2-hour performance. It sounded kinda like this, though admittedly this clip starts slow. The song begins mellow but does not end that way:
Paul's reaction?
Same guys, this is one of my favorites evar, again weirdly(?) it climaxes at about 11 minutes. These guys do loooong songs with light and shade if you hadn't noticed that already, so there's big contrast between the not-heavy and heavy parts.
But wait, the Swedes get even heavier, here's the archetypal metal band's metal band: Meshuggah. These guys go for the jugular.
Here's a slightly funky one:
That aside, let's get serious:
These guys are so terrifyingly tight that the studio recordings only sound different in EQ and mixing.
Then there's Bleed. This changed my world when I saw the offical video. This live clip is not that, but it shows the entire song, which the official video does not. This IMHO, is the benchmark for heaviosity: