To learn 王菲 - 曖昧 chords, your practice should emphasize these chord progressions: Bb, Cm, Ab, Eb, Bb and Eb. A good strategy is to initiate at 51 BPM and then accelerate to the track's regular speed of 104 BPM. Given the song's key of Eb Major, adjust the capo to align with your vocal range and chord preference.