Avenged Sevenfold released eighteen singles since 1999.
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
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
