To jam and learn 李翊君 - 風中的承諾 chords, your primary focus should be mastering these chords sequence: Bb, F, Dm, Gm, C, F, Am, Gm and F. A strategic approach would be to train at 65 BPM initially, and then accelerate to the song's tempo of 131. For a balanced pitch, adjust the capo with respect to your voice and the song's key: F Major.