I do this for the love and it’s free of charge
I don’t need jail to be behind bars
This is purely art
Rather than pretending to be a thug and being locked up behind a jail cell, he stands by (behind) his lines (bars).
He realizes his true passion is his music. When he says its “free of charge,” he is making a reference on how the Return of 4eva mixtape was released for free, allowing everybody to appreciate his passion without having to pay for it. His way of thanking us for listening.
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