Premise: Avenged Sevenfold . Avenged Sevenfold emerged with a metalcore sound on the band 's debut Sounding the Seventh Trumpet . However , Avenged Sevenfold 's style had evolved by the band 's third album and first major label release , City of Evil , into a heavy metal and hard rock style .
Hypothesis: Avenged Sevenfold released an album.
Label: ENTAILMENT