To learn 李克勤 - 舊歡如夢 chords, anchor your practice on these foundational sequence of chords - C, Dm, Gm, Dm, A, Dm and A. Start with a comfortable 57 BPM and as you become proficient, aim for the song's BPM of 115. With G Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.