 The song uses two @-@ measure phrases that , aside from the choruses , use a i – III – IV – VI chord progression . The B ♭ minor chord is held for 1 ⅓ of a beat , and a relative transformation is then used to produce a second @-@ inversion D ♭ major chord , which is held for 1 ⅔ of a beat . In the second measure , a first @-@ inversion E ♭ major chord with an added ninth precedes a G ♭ major major seventh chord ; the chords are held for the same durations as the previous two . 
