Here are some Konami Code mp3s that you can listen to. Bear in mind, these were recorded on a Sony MiniDV Camera without any horns, so yeah:
From the live album in stores now (actually in my house, but that's kind of a store):
Haphazard
Let's Save the World
Finding Out You Used To Be An Idiot
At The Beach
The Monkey Song
The Conference
White Man in Hammersmith Palais
The Konami Code Theme Song