code: public int getSize()
  	{
  		int retval = head.getTagSize() + head.getHeaderSize();
  
  		if (head.getFooter())
  		{
  			retval += foot.getFooterSize();
  		}
  
  		return retval;
  	}
docs: Returns the size of this id3v2 tag.  This includes the header,
  extended header, frames, padding, and footer.
  
  @return the size (in bytes) of the entire id3v2 tag