To learn 王菲 - 背影 chords, begin by getting comfortable with these sequence: Bm, G, A, D, Bm, C#m, A, B, E, G and D. Set your pace at 56 BPM initially and then sync up with the song's BPM of 113. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: D Major.