At the age of nine, shorty Black, could rhyme
On the mic I never wasted time, I'm, the exquisite wizard

from The Roots – What Goes On Pt. 7 Lyrics on Rap Genius

Meaning

That was the beginning. I wrote my first rap at 9.

It was in the style of speed rhyme.
http://embed.vidyard.com/share/bhOp758rBMBDQN1rMaa_uA

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