To start learning Lee Mujin - Traffic Light chords, build your understanding on these basic chords - G, D, A, Bm, F#m, F#, B, G#m, E, G and A in sequence. Start with a comfortable 48 BPM and as you become proficient, aim for the song's BPM of 97. Adapt the capo setting considering your vocal range, with reference to the key: B Major.