To learn Aya Nakamura - Oula chords, your practice should emphasize these chord progressions: Dm, C, Dm, C, Gm, Bb and C. Begin your practice at a relaxed 60 BPM, then work your way up to the song's BPM of 120. With G Minor as the song's key, tweak the capo to cater to your vocal pitch and chord likes.