To learn 平生不晚 - 难却 chords, anchor your practice on these foundational sequence of chords - A, G#m, C#m, A, B, F#m and G#m. A strategic approach would be to train at 36 BPM initially, and then accelerate to the song's tempo of 72. For a balanced pitch, adjust the capo with respect to your voice and the song's key: E Major.