These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
This is especially odd if you consider that the members of In Flames, At the Gates and Dark Tranquillity are all friends.
Magnum Opus: The Gallery. Fiction and Construct are slowly creeping up as good contenders, however.
Signature Song: "Punish My Heaven" could be one, either for The Gallery, the band, and probably Melodeath itself.
Tear Jerker: "Lethe" from The Gallery. More melancholy-inducing than outright tear-wrenching, but it's still quite sad. "Blind at Heart" and "Misery's Crown" from Fiction. While "Misery's Crown" has a much more restrained, Know When to Fold 'Em feel, "Blind at Heart" can bring a tear to the eyes of an unprepared metalhead. "Auctioned" has a pretty sad feeling to it, Mikael sounds really sad in this song, the lyrics seem to tell a tale of a man who watched his life pass by and is regretting it.