code: public int getLength()
  	{
  		int length = 0;
  
  		Iterator<V> it = this.values().iterator();
  		while (it.hasNext())
  		{
  			length += ((ID3v2Frame) it.next()).getFrameLength();
  		}
  
  		return length;
  	}
docs: Returns the length in bytes of all the frames contained in this object.
  
  @return the length of all the frames contained in this object.