You wanna blow up and get famous so you can get some new rims
All the money in the world can help you look like a star
But money can't buy you the heart to go and put inside your bars

from Macklemore – I Said Hey Lyrics on Rap Genius

Meaning

Money can make you look good, but it wont give you substantial material for your verses. That’s typically what the hip-hop game is about nowadays

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