ซิมโฟนีที่ไร้มนุษย์

Missing, extremely new, or very obvious to obtain.

Probably a reference to Halford Luccock's saying, "No one can whistle a symphony. It takes an orchestra to play it." Just as a single person can't whistle a symphony alone, Max can't traditionally conduct a band without musicians, and yet, anything is possible in the Dreamscape.