Everybody wanna do what everybody else do
When the "copycat" is what they been taught
I'mma get in the brain of the lame

from Tech N9ne – The Industry Is Punks Lyrics on Rap Genius

Meaning

A “copycat” in this sense is a rapper who copied some other, more successful artist’s flow and style. People are taught (apparently) to steal/imitate other people’s success. For instance: rapping about money, sex, and bitches. It’s pretty popular these days. You don’t see too many people rapping about real issues and personal experiences like Tech.

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