With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Avenged Sevenfold released an album.
text_B: Avenged Sevenfold -LRB- sometimes abbreviated as A7X -RRB- is an American heavy metal band from Huntington Beach , California , formed in 1999 .. heavy metal. heavy metal music. The band 's current lineup consists of lead vocalist M. Shadows , rhythm guitarist and backing vocalist Zacky Vengeance , lead guitarist and backing vocalist Synyster Gates , bassist and backing vocalist Johnny Christ , and drummer Brooks Wackerman .. Synyster Gates. Synyster Gates. Zacky Vengeance. Zacky Vengeance. M. Shadows. M. Shadows. Johnny Christ. Johnny Christ. Brooks Wackerman. Brooks Wackerman. Avenged Sevenfold is known for its diverse rock sound and dramatic imagery in album covers and merchandise .. Avenged Sevenfold emerged with a metalcore sound on the band 's debut Sounding the Seventh Trumpet .. metalcore. metalcore. Sounding the Seventh Trumpet. 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 .. hard rock. hard rock. heavy metal. heavy metal music. City of Evil. City of Evil. The band continued to explore new sounds with its self-titled release and enjoyed continued mainstream success before their drummer , James `` The Rev '' Sullivan , died in 2009 .. The Rev. The Rev. self-titled. Avenged Sevenfold ( album ). Despite his death , Avenged Sevenfold continued on with the help of now-former Dream Theater drummer Mike Portnoy and released and toured in support of its fifth album Nightmare in 2010 , which debuted on the top spot of the Billboard 200 , Avenged Sevenfold 's first number one debut .. Mike Portnoy. Mike Portnoy. Dream Theater. Dream Theater. Nightmare. Nightmare ( Avenged Sevenfold album ). In 2011 drummer Arin Ilejay joined the band on tours and recording .. Arin Ilejay. Arin Ilejay. Avenged Sevenfold 's sixth studio album Hail to the King , which was released in 2013 , marked the only Avenged Sevenfold album featuring Arin Ilejay .. Arin Ilejay. Arin Ilejay. Hail to the King. Hail to the King ( Avenged Sevenfold album ). Hail to the King charted as number 1 on the Billboard 200 , the UK Albums chart , as well as the Finnish , Brazilian , Canadian , and Irish charts .. Hail to the King. Hail to the King ( Avenged Sevenfold album ). In late 2014 Ilejay left the band , and was replaced by former Bad Religion drummer Brooks Wackerman , but was n't revealed as his replacement until in 2015 the band announced Ilejay 's departure .. Brooks Wackerman. Brooks Wackerman. Bad Religion. Bad Religion. The band surprise released their seventh studio album titled The Stage on October 28 , 2016 , which debuted as number 4 on the Billboard 200 chart in the US .. The Stage. The Stage ( album ). The Stage is their first conceptual album and it marked another stylistic change for the band , moving towards the progressive metal sound .. progressive metal. progressive metal. The Stage. The Stage ( album ). To date , Avenged Sevenfold has released seven studio albums , one live album / DVD , two compilation albums and eighteen singles and have sold over 8 million albums worldwide .. compilation. Compilation album. Avenged Sevenfold was ranked # 47 on Loudwire 's list of Top 50 Metal Bands of All Time .. Loudwire. Loudwire
related.