Beware I'm spittin' fire cause the world is in dire need of an MC to admire
And set the bar higher

from Logic – Live On The Air Lyrics on Rap Genius

Meaning

Just a friendly heads up that Logic’s rhymes are hot. He’s thinking that all of the rappers these days are more of the same and he’s breaking the mold and setting the bar higher for all of the established rappers.

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