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I have no idea if this would be helpful, but you might take a look at the LAME encoder. (I'm assuming it's open source, but I might be wrong.)
I know it's an encoder, but theoretically it could provide information on how a sound is encoded - which would help you un-encode a file.

Just a theory.

Anyway, the music enclosed music was pretty cool. Did you write it?

I beleive LAME is open source, I'd have to search it. But remember, not all mp3's are saved with the LAME encoder

Jagmaster wrote:Anyway, the music enclosed music was pretty cool. Did you write it?

The song which is played with guitar is made by me and the technoish one is by Hblade, they are made for Dimension 55355

And well, I think I don't have enough time and interest to try to learn to open those file types. And if it's illegal too.. xDD