To learn Kortez - ([VIDEO - LIVE]) Bumerang chords, grasp the musical fabric of the song with this sequence - Bbm, Ebm, Abm, F#, Ebm, Abm, Bb and Ebm of chords. A good strategy is to initiate at 51 BPM and then accelerate to the track's regular speed of 103 BPM. Adjust the capo based on your vocal range and chord preference, keeping the song's key of Eb Major in mind.