To start learning Aj Gravity - Brag chords, build your understanding on these basic chords - Fm, Bbm, Bb, Fm, Bbm, Db, Fm and Bb in sequence. To build a solid grasp, start slowly at 45 BPM and then match the original tempo of 91 BPM. Align the capo with your vocal depth and chord choice, bearing in mind the song's original key: Ab Major.