D# Cm Gm Bb 
D#               Cm              Gm   Bb
  It's like a song, that no one hears
D#               Cm               Bb
  I'm screaming out, but you're not here
            D#
All I wanna do
            D#
All I wanna do
          Gm     Bb
Is say I love you
Bb          D#
All I wanna do
Bb          D#
All I wanna do
            Gm
Is say I care
G#    Bb    Cm
Words don't work
D#                     Gm    G#
Feeling like they have no worth
G#    Bb
Here and now
D#         Bb
Is nothing in between
D#         Fm
 How could I
G#      Bb               D#
Ever describe the way I feel?
Fm
  Why should I
G#     Bb               Cm
 Even try when obviously
                     Gm                    D#
All the words that I say seem to get in my way
             Fm
Only wish I could
                 G#     Bb          D#
Say it with a heartbeat, say it with a
D#  Cm  Bb   D#  Cm  Gm  Bb  D#
  (Say it with a, say it with a...)
D#           Cm
  It's like a stage
https://www.coveralia.com/acordes/heartbeat--acoustic-version--christopher.php
           Gm     Bb
Without a crowd
D#           Cm
  My best performance
           Gm     
But no one's proud
Bb          D#
All I wanna do
            Cm
All I wanna do
          Gm
Is say I love you
Bb          D#
All I wanna do
            Cm
All I wanna do
           Bb
Is say I care
              G#  Bb    Cm 
I swear my words don't work
                   D#      G#
Feeling like they have no worth
     Bb  Cm                  Bb
Here and now there's nothing in between
D#         Fm
 How could I
G#      Bb               D#
Ever describe the way I feel?
Fm
  Why should I
G#     Bb               Cm
 Even try when obviously
                     Bb                    
All the words that I say seem to get in my way
             Fm
Only wish I could
                 G#     Bb          
Say it with a heartbeat, say it with a
G# Bb Cm D# G# Bb Cm Bb
            G#   Bb  Cm   D# G# G# Bb Cm Bb
Say it with a heartbeat
               D#
Say it with a heartbeat