I'm lively, my dome piece is like building stones in Greece

from GZA (Ft. Ghostface Killah, Killah Priest & RZA) – 4th Chamber Lyrics on Rap Genius

Meaning

A dome is a structural element of architecture that resembles the hollow upper half of a sphere. Dome is also slang for head. Referring to Classical Greek architecture in which stone pieces were placed together seamlessly. Greece was a hotbed for many of the greatest thinkers, architecture and art of Western Civilization

He’s also refering to the fact that his ‘dome’ is civilized, much like the architecture of ancient Greece

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