Assertion: crack's album | /r/HasProperty | emperor of sand
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Source sentences:
text: Because the elements of fire, water and earth have already been represented by the band's first three albums Remission, Leviathan, Blood Mountain and the band's seventh album Emperor of Sand, respectively, the element of air is the only classical element which has yet to be represented by a Mastodon album, as their follow-up studio albums The Hunter and Once More 'Round the Sun do not represent an element, nor are they concept albums.