To learn 張學友 - 心如刀割 chords, anchor your practice on these foundational sequence of chords - G, C, G, F, C, G, Am, C, Dm, G, C and F. A strategic approach would be to train at 41 BPM initially, and then accelerate to the song's tempo of 83. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: C Major.