Chords for mary mary - walking (speed up) + [harmonic reverb]

To learn Mary Mary - Walking chords, these are the chords to practise in sequence: Ab, E, Ebm, Db and Ab. A strategic approach would be to train at 55 BPM initially, and then accelerate to the song's tempo of 111. Fine-tune the capo based on your vocal range, ensuring it complements the key of B Major.