I want to have a program that reads metadata from an MP3 file. My program should also able to edit these metadata. What can I do?

I got to search out for some open source code. But they have code; but not simplified idea for my job they are going to do.

When I read further I found the metadata is stored in the MP3 file itself. But I am yet not able to make a full idea of my baby program.

Any help will be appreciated; with a program or very idea (like an algorithm). :)

java mp3 metadata id3
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