To learn 謝霆鋒 - 很難 chords, focus on the sequence of these chords: Bb, Eb, D, Gm, Bb, D, Eb and Gm. For a smooth transition, initiate your practice at 48 BPM and gradually match the song's pace of 97 BPM. Considering the song's key of G Minor, position your capo to suit your vocal and chord preferences.