To learn William So - (Album Version) You Ren Xi Huan Lan chords, your practice should emphasize these chord progressions: F#m, B, Em, A, D, Em, D, A and D. I suggest starting at a calm pace of 60 BPM, and as you gain confidence, approach the song's BPM of 120. To match your vocal range and chord inclination, adjust the capo in line with the key: D Major.