To learn 許嵩 - 有何不可 chords, your first step should be understanding these chords - F#, G#m, C#, F#, B, F#, C# and B in sequence. For a smooth transition, initiate your practice at 50 BPM and gradually match the song's pace of 101 BPM. Considering your vocal pitch and chord choices, adjust the capo in accordance with the key: C# Major.