To jam and learn 許冠傑 - 何處覓蓬萊 chords, your primary focus should be mastering these chords sequence: C, G, C, G, Am, D, Dm, G, Em, A, D and G. I suggest starting at a calm pace of 47 BPM, and as you gain confidence, approach the song's BPM of 95. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: C Major.