To learn Charles Hutagalung - Hanya Satu chords, grasp the musical fabric of the song with this sequence - D, E, A, E, A, D and A of chords. I suggest starting at a calm pace of 65 BPM, and as you gain confidence, approach the song's BPM of 130. Set the capo considering your vocal range and favored chords, aligned with the key: D Major.