Acordes: Bb, Cm, Db. Chordify es la plataforma n. Acordes para System Of A Down - Roulette. System Of A Down A. . W. A (Air, Trees, Water, Animals) F#m E G#m A Bm e|| B|| G||. Chordify gives you the chords for any song. T. Acordes para [RARE] System of a Down - Roulette '95 (full band version from ). : Bb, C, Dm, F.