Learn the basic chords of Whokilledxix - Come chords, with this master sequence: Bb, B, E, B, Eb, B, Bb, E and Bb. Kick off your practice at a gentle 67 BPM, then escalate to the song's tempo of 136 BPM. With Eb Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.