I think the intro chords are Ab Bb G Ab Fm G (D or Bbmaj7/D.) I think the second chord of the verse is Gm, not D+. Also, D+ and Bb+ triads have the same notes; either works. What I think is happening in the bridge after "C'est la vie" is Eb G Ab Bb+, but there is a Bb note during that G major. It isn't an augmented chord, to my ears. Maybe a G7#9 would work there, but I think it sounds more like half the band played G and the other half played Gm.
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