To learn R. Kelly - Sadie chords, anchor your practice on these foundational sequence of chords - A, D, F#m, C#m, F#m, A, E, Bm and A. To master the tempo, it's wise to start at 81 BPM before aiming for the song's 162 BPM. Fine-tune the capo based on your vocal range, ensuring it complements the key of D Major.