I've been doing this song a couple times for an acoustic set
and it seems to really get a good response from the crowd,
so I thought I'd share its simplicity with the rest of the world.
Best on acoustic with full chords until the bridge and the key change.

Beating Heart Baby

All (Capo 3)
Verse:
Am, C

Chorus:
F, Am, G, F, E

Bridge:
C, B, C, G#
or
-------------------------|
-------------------------|
--6---7---6---7----------|
--8---6---8---6----------|
--8---5---8---x----------|
--------------7----------|

Chorus (Key Change):
A#, C#, G#, G