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.
Crowning Music of Awesome - Many bands have covered the extremely simple song "Evil Dead", including Unleashed and God Dethroned. However, "Flesh And The Power It Holds" and "Spirit Crusher," both off The Sound of Perseverance, seem to ring loudest among prog death fans. And some fans think their cover of Painkiller is better than the original.
Epic Riff - Too many songs to list, so let's just say all of Death's songs have these.