To learn 楊千嬅 - (電影 每當變幻時 主題曲) 每當變幻時 chords, these are the chords to practise in sequence: E, A, F#, Bm, E, C#m, F#m and Bm. Begin your practice at a relaxed 82 BPM, then work your way up to the song's BPM of 164. Tune your capo to accommodate your vocal range, referencing the song's key: A Major.