It is the band System of a Down coming from California United States and the formation of the band in 1994 and the band achieved commercial success with the release of five studio albums of all the album is album number 1 in the Billboard 200. Band has been nominated for 4 Grammy Awards and won many awards in 2006 for Best Hard Rock Performance for the song BYOB. The group is continuing hits in August 2006, but reunited in November 2010, began a worldwide tour in 2011. And this band has 4 personnel .. Consisting of Serj Tankian (vocals, keyboards, guitar), Daron Malakian (guitar, vocals), Shavo Odadjian (bass, background vocals) and John Dolmayan (drums).
And at the bottom Biography System of a Down is now

Serj Tankian
Real Name: Serj Tankian
Place of Birth: Beirut, Lebanon
Date of Birth: August 21, 1967
Occupation: Musician, singer-songwriter, multi-instrumentalist, record producer, poet, political activist.

Daron Malakian
Real Name: Daron Malakian
Place of Birth: Los Angeles, California, USA
Date of Birth: July 18, 1975
Occupation: Musician, singer-songwriter, multi-instrumentalist, record producer.
Shavo Odadjian
Real Name: Shavarsh S. Odadjian
Place of Birth: Yerevan, Armenian SSR
Date of Birth: 22 April 1974
Occupation: Musician, songwriter, multi-instrumentalist, music video director.
John Dolmayan
Real Name: John Dolmayan
Place of Birth: Lebanon Armenia
Date of Birth: July 15, 1972
Occupation: Musician, songwriter.
The album was released by the band System of a Down:
System of a Down (1998) and Toxicity (2001) and Steal This Album! (2002), Mezmerize (2005)
Hypnotize (2005)













