To jam and learn Denny Caknan - Widodari chords, your primary focus should be mastering these chords sequence: G, C, D, Bm, E, Am, D, G and Am. A good strategy is to initiate at 65 BPM and then accelerate to the track's regular speed of 130 BPM. Given the song's key of A Minor, adjust the capo to align with your vocal range and chord preference.