Chords for Chicago 17 - Once In A Lifetime - Peter Cetera w Bill Champlin

To learn Chicago - Once In A Lifetime chords, begin by getting comfortable with these sequence: Ab, Db, Bbm, Gb, Ab, Db, Gb, Bbm and Ab. A good strategy is to initiate at 47 BPM and then accelerate to the track's regular speed of 96 BPM. Configure the capo to your vocal range and chord preference, remembering the key of Db Major.