To learn 馬の骨 - 燃え殻 chords, grasp the musical fabric of the song with this sequence - Gb, E, B, Gb, B, Bb, Ebm and Dbm of chords. Begin your practice at a relaxed 69 BPM, then work your way up to the song's BPM of 138. With the song's key of B Major, set your capo to fit your vocal range and chord choice.