When I'm alone in my room sometimes I stare at the wall
And in the back of my mind I hear a wack-ass rhyme

from Common – Sum Shit I Wrote Lyrics on Rap Genius

Meaning

Mimics the beginning of LL Cool J’s I Need Love — “When I’m alone in my room sometimes I stare at the wall/And in the back of my mind I hear my conscience call.” Com declines to go as corny as LL, and instead shifts the subject to his writing.

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