According to Pokemon.com,

Live concerts feature music and visuals from the Pokémon universe!

Enjoy a night at the symphony with Pokémon: Symphonic Evolutions, a live orchestral concert going on tour this year. Pokémon: Symphonic Evolutions will showcase memorable music from throughout the world of Pokémon, featuring all-new musical arrangements that will entertain not just Pokémon fans but all music lovers. Look forward to a wonderful symphonic experience that covers nearly 20 years of Pokémon entertainment around the world.

Pokémon: Symphonic Evolutions will premiere in Washington, DC, on Friday, August 15, 2014. The 2014 Pokémon World Championships will also be held in the nation’s capital that weekend, August 16–17.

Due to popular demand, an extra show has been added in Washington, DC, on Saturday, August 16.

August 15 – Washington, DC
Warner Theater
Ticket Information

August 16 – Washington, DC
Warner Theater
Ticket Information

September 19 – Philadelphia, PA
Mann Center for the Performing Arts
Ticket Information

More dates, locations, and ticket information for the concert series will be announced soon!
So if you live in The States you might feel lucky. I should take a last minute travel deal myself.

I'm also excited what pieces they are going to play.