"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.
Very much like that, and very much a loner, do you know and I didn't fit really into sport or all kind of group activities as a kid, I couldn't find a niche. And music was not really part of the kind of village curriculum it would, you know.