Calssical Music Id

Hi,

Can you help me to find this Classical Music's info please?
I try to hum the melody...

http://www.sendspace.com/file/zfa6qv

Thnx

I found that masterpiece

Nikolai Rimsky-Korsakov - Russian Easter Festival Overture Op.36

http://www.youtube.com/watch?v=0_XCs9Jy30c