Let's start jamming Ai Higuchi - 悪魔の子 chords, familiarize yourself with these chords - F#, B, G#m, E, F#, G#m, D# and G#m in sequence. Ease into the song by practicing at 59 BPM before reaching the track's full tempo of 120 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of D Major in mind.