To learn Sung Si Kyung - 두 사람 chords, anchor your practice on these foundational sequence of chords - F#, Bm, A, Bm, D, B, Bm, G, F#, Bm, G#m and C#. For best results, commence at 71 BPM and progress to the song's BPM of 142. Fine-tune the capo based on your vocal range, ensuring it complements the key of B Minor.