To learn Demons Angel - Kematian chords, your first step should be understanding these chords - G, Gm, D, G, Bb, D, Eb, Gm and G in sequence. Set your pace at 70 BPM initially and then sync up with the song's BPM of 140. With Bb Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.