To jam and learn the simple chords for Mary Mary - What A Friend chords, practice playing Ab, Fm, Ab, F, Ab, F, Bbm, Cm and F in sequence. Kick off your practice at a gentle 43 BPM, then escalate to the song's tempo of 86 BPM. To match your vocal range and chord inclination, adjust the capo in line with the key: Eb Major.