Their 2006 song "B.Y.O.B." won the Grammy for Best Hard Rock Performance. Their albums Toxicity, Mezmerize, and Hypnotize debuted at number 1 on the Billboard 200.
Serj Tankian and Daron Malakian first formed a band together under the name Soil. They were active from 1992 to 1994, when System of a Down formed.