Standard Tuning
Intro/verse
[ Tab from: https://www.guitartabs.cc/tabs/t/the_new_electric_sound/heartbeat_tab.html ]
E---------------------------------------------|
B---------------------------------------------|
G---------------------------------------------|
D------------------------------14-14---16-16--|
A------------------------------14-14---16-16--|
E --4-2-4----7-6-7----9-7-9----12-12---14-14--|
Pre-chorus
C#m / G#m
C#m / G#m / F#
Chorus
(only bass - same chords as verse)
That's the gist, dude.