To jam and learn 關正傑 - 詠梅 chords, your primary focus should be mastering these chords sequence: G, C, D, G, Am, F, Em, F and G. A strategic approach would be to train at 43 BPM initially, and then accelerate to the song's tempo of 86. Fine-tune the capo based on your vocal range, ensuring it complements the key of C Major.