"Ahu" are stone platforms on which many moai sit. There are 313 known ahu and 125 of these carry moai. The biggest, Ahu Tongariki is 220 m (720 ft), and had the most (15) and tallest moai.
Every song you're trying to find something that going to connect in different ways but for me the songs that I'm really drawn to are inspirational, songs that lift you and that everybody can relate to no matter where you're from.