These are the letter notes for the lead melody. For reference c* is this one:
e e e e e d B G
I wanna be the very best
G e e d c d
Like no one ever was
G D F
c f f f e d c
To catch them is my real test
c e e d c e
To train them is my cause
E G A
e e e e e d B G
I will travel across the land
F D G
e e d c d
Searching far and wide
G D F
f f f f f e d c
Each Pokemon to understand
c e e d c e
The power that's inside
E G A
Pokemon!
g g a g
It's you and me
g a b c* b a g
I know it's my destiny
E G A
Pokemon!
a a g e c
Oh, you're my best friend
c d e e d c e
In a world we must defend
E G A
Pokemon!
g g a a g
A heart so true
a a b c* b a g
Our courage will pull us through
f c* c* c* g c* c*
You teach me, and I'll teach you
c* c* c* b
Pokemon!
E E G A A
Gotta catch em all
E E G A c A
Gotta catch em all
E G A
Pokemon!