With annotations now!!! (07/29/09) System of a Down - Roulette (cover) Standard - EADGBE Learn in 3 steps. Roulette Chords by System Of A Down Learn to play guitar by chord and tabs and use our crd diagrams, transpose the key and more. Roulette by System of A Down chords. One clean accurate version. No abusive ads. Recommended by The Wall Street Journal. Guitar Tuner Chords Chart Guitar Scales Metronome Glossary More Profile History Recently viewed tabs. Fill out your details or log in. Expert by Gabriel Kapa. Roulette Key A m A m one step .