To learn 銀霞 - 偶然 chords, anchor your practice on these foundational sequence of chords - G, A, Bm, G, D, Bm, F#m, Bm and Em. A strategic approach would be to train at 78 BPM initially, and then accelerate to the song's tempo of 157. For a balanced pitch, adjust the capo with respect to your voice and the song's key: B Minor.