To learn Reina Kondo - アルコルとポラリス chords, anchor your practice on these foundational sequence of chords - F#m, F, Em, A, D, Em, Dm, G, C, D and Em. Set your pace at 82 BPM initially and then sync up with the song's BPM of 166. With D Major as the song's key, tweak the capo to cater to your vocal pitch and chord likes.