To learn 譚詠麟 - 亮了紅燈 chords, anchor your practice on these foundational sequence of chords - D, Bm, E, A, C#, F#m and E. A strategic approach would be to train at 53 BPM initially, and then accelerate to the song's tempo of 106. Adjust the capo based on your vocal range and chord preference, keeping the song's key of F# Minor in mind.