Although most of the song is a capella, it follows the same chord structure
throughout. It has a syncopated rhythm where basically the chords change on the
"and"s of 2, rather than on 3.
1 + 2 + 3 + 4 + 1 + 2 + 3 + 4 +
The second B flat is really just a transition, but it sounds good.
Enjoy!
Any questions, email me at kingdork22@gmail.com