Classical music on the simpson

[babyant]

Hey,

Anyone have any idea what the music used is when Bart pitches in kickball in the episode My Big Fat Geek Wedding? Been bugging me for ages, especially as it's quite well known i think!
Watching: The Simpsons 1517 My Big Fat Geek Wedding | Watch The Simpsons Online - FREE!
about 40 seconds in!

Thanks!