It is the intro as well as the chorus.

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The verse chords (in B) go something like this:

B  F#  F#  B

B  E  E  B  F#

B  F#  E  B

B . . .  B  F#

I would be just making up chords for the bridge.  See other posts and transpose.

The last time through the chorus you add in another guitar line, like descant.
Can also play it solo.

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