To learn 坂本 真綾 - 奇跡の海 chords, these are the chords to practise in sequence: F#m, E, Bm, E, B, F#, G#m and B. For best results, commence at 45 BPM and progress to the song's BPM of 91. Given the song's key of B Major, adjust the capo to align with your vocal range and chord preference.