To start learning Seiko Matsuda - Aoi Sangosho chords, build your understanding on these basic chords - F#m, D, E, A, C#m, A and F#m in sequence. I suggest starting at a calm pace of 68 BPM, and as you gain confidence, approach the song's BPM of 137. With an eye on the song's key A Minor, set the capo that best suits your vocal range.