To learn 童安格 - 香水城 chords, your first step should be understanding these chords - Gb, F, Bbm, Ab, Db, F, Bbm and Ebm in sequence. To build a solid grasp, start slowly at 42 BPM and then match the original tempo of 85 BPM. Fine-tune the capo based on your vocal range, ensuring it complements the key of Ab Major.