code: public String getFrameDataString(String id)
  	{
  		try
  		{
  			if (frames.containsKey(id))
  			{
  				return ((ID3v2Frame) frames.get(id)).getDataString();
  			}
  		}
  		catch (ID3v2FormatException ex)
  		{
  			Log.error("ID3v2Tag:", ex);
  		}
  		return null;
  	}
docs: Returns the textual information contained in the frame specified by the
  id.  Not every type of frame has textual information.  If an id is
  specified that will not work, the empty string is returned.
  
  @param id the id of the frame to get text from
  @return the text information contained in the frame
  @exception ID3v2FormatException if an error is encountered parsing data