odadjian plays bass in system of a down, and also sings live backing vocals. his usual style of playing bass is with a pick, although he also has been seen fingerpicking during certain songs. odadjian is credited with writing noted system of a down songs, among them "toxicity", "sugar", "jet pilot", "bounce," "mind," "dreaming," and "u-fig." he has directed a majority of the band's music videos, and is responsible for stage design and lighting for each of their live performances.