Their sixth studio album Hail to the King, was released in 2013 and also charted as number 1 on the Billboard 200, the UK Albums chart, as well as the Finnish, Brazilian, Canadian, and Irish charts. Their fifth album Nightmare in 2010, debuted on the top spot of the Billboard 200, Avenged Sevenfold's first number one debut. The band continued to explore new sounds with its self-titled release and enjoyed continued mainstream success.
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. Avenged Sevenfold emerged with a metalcore sound on the band's debut Sounding the Seventh Trumpet and continued th is sound through their second album Waking the Fallen.
Avenged Sevenfold(A7X) is an American metal band known for its diverse rock sound and dramatic imagery in album covers and merchandise.