To learn Kem - Promise To Love chords, these are the chords to practise in sequence: Gm, Ebm, Bb, Ebm, Bb, Gm, Cm and Bb. I suggest starting at a calm pace of 43 BPM, and as you gain confidence, approach the song's BPM of 86. With the song's key of Bb Minor, set your capo to fit your vocal range and chord choice.