To start learning See-Saw - 黄昏の海 chords, centre your learning around these elemetal chords sequence: D, A, F#m, C#m, D, C#m, F# and B. Begin your practice at a relaxed 45 BPM, then work your way up to the song's BPM of 90. Adjust the capo based on your vocal range and chord preference, keeping the song's key of F# Minor in mind.