Let's start jamming Soulfly - Mars chords, Practice these chords sequence - G, A, F, A, F, C#, E, B, D#, A, B, D# and E. To master the tempo, it's wise to start at 74 BPM before aiming for the song's 148 BPM. To match your vocal range and chord inclination, adjust the capo in line with the key: D Major.