From: Ben Bleything <ben@...>
Date: 2007-08-17T00:18:33+09:00
Subject: Re: mp3 file magic number identification

On Thu, Aug 16, 2007, Felipe Contreras wrote:
> So first byte should be 0xFF, second byte & 0xFE should equal 0xFA.
> that is only for layer-3.
> 
> However if the MP3 has ID3v1 tags then it will start with "ID3".

Actually, ID3v1 tags go at the end of the file, ID3v2 tags go at the
beginning (usually; they're supported in both locations).

Ben