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The piano melody of this song goes: 
 
CHORD MELODY AFTER CHORD (Just the notes) 
 
C G C D E 
Bm F# B C# D 
G E G A B 
Em B E F# G 
D A D E F# 
C G C D E 
 
Every chord is followed by its 5th in the lower octave, 
then the key itself, the 2nd and 3rd (or 3rd minor), 
which are all shown above