Kay Armen (Арменуи Манугян)

Leon Redbone (Dickran Gobalian)

Cher (Шерилин Саркисян)

Cathy Berberian (Catherine Anshid Berberian)

System on Down:

Serj Tankian - lead vocals, guitar, keyboards

Daron Malakian - guitar, back vocals

Shavo Odadjian - bass, back vocals

John Dolmayan - drums

+ Andy  Khachaturian - drums