I combined the great export functionality of mp3tag and perl (which I'm not really good in) to build myself a music archive based on html files.
I just thought that maybe others might be interested in it and decided to post it here.
To get more information an download the source have a look here:
Although it was already mentioned in this forum I'd like to say that adding commandline functionality or a batchmode in mp3tag would really be great.
But anyway, thank you for this peace of software.