To learn Kalafina - Signal chords, grasp the musical fabric of the song with this sequence - Cm, Bb, Cm, Ab, Bb, Eb, Bb and Ab of chords. Ease into the song by practicing at 76 BPM before reaching the track's full tempo of 153 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: C Minor.