Now just to have a little more intimate knowledge of the tag, well run the command

od -tc sample.mp3 | tail
Now this shows us in the exact characters that are in the end of the file (where this tag happens to be stored). The output looks like this
0007100   U   U   U   U   U   U   U   U   U   T   A   G   A   r   r   i
0007120   v   e  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0
0007140  \0  \0  \0  \0  \0  \0  \0  \0  \0  \0   G   a   i   m       D
0007160   e   v   e   l   o   p   e   r   s  \0  \0  \0  \0  \0  \0  \0
If you look closely, you can see the letters "TAG" followed by soe of the information we provided to id3ed. You can read more about the details of the id3 tag format by searching for it on the web.