To learn Kassav - Sonje chords, focus on the sequence of these chords: A, F#m, E, A, F#m, Bm, E, Bm and A. For a smooth transition, initiate your practice at 52 BPM and gradually match the song's pace of 104 BPM. Considering the song's key of A Major, position your capo to suit your vocal and chord preferences.