I know the original pokemon theme is the most iconic, but Johto had the song that stuck with me the most growin' up! That said, I hope you enjoy my rendition of the opening. :3

Lyrics

Everybody wants to be a master
Everybody wants to show their skills
Everybody wants to get there faster
Make their way to the top of the hill

Each time you try
You're gonna get a little bit better
Each step you climb
is one more step up the ladder!

It's a whole new world we live in
It's a whole new way to see
It's a whole new place
With a brand new attitude
But you still gotta catch 'em all!

And be the best that you can be

Pokemon Johto

It's a whole new world we live in
It's a whole new way to see
It's a whole new place, with a brand new attitude...

But you still gotta catch em all
And be the best that you can be

It's a whole new world we live in
It's a whole new way to see
It's a whole new place
With a brand new attitude
But you still gotta catch 'em all!

And be the best that you can be

Pokemon Johto
Pokemon Johto
Pokemon Johto!

Credits
Singing and Mixing: Ceonn
Song: Pokemon Johto Journeys
Thumbnail:  forest-wolf