Claim: System of a Down has sold records.

System of a Down , sometimes shortened to SOAD or System , is an heavy metal band from Glendale , California , formed in 1994 . The band currently consists of Serj Tankian -LRB- lead vocals , keyboards -RRB- , Daron Malakian -LRB- vocals , guitar -RRB- , Shavo Odadjian -LRB- bass , backing vocals -RRB- and John Dolmayan -LRB- drums -RRB- .   The band achieved commercial success with the release of five studio albums , three of which debuted at number one on the Billboard 200 . System of a Down has been nominated for four Grammy Awards , and their song `` B.Y.O.B. '' won the Best Hard Rock Performance of 2006 . The group briefly disbanded in August 2006 and reunited in November 2010 , embarking on a tour for the following three years . System of a Down has sold over 40 million records worldwide .