With the lifespan of a box playing Public Enemy in Sal's famous

from El-P (Ft. Aesop Rock) – Delorean Lyrics on Rap Genius

Meaning

Do The Right Thing: Sal smashes Radio Rahim’s boombox with a baseball bat in Sal’s Famous Pizzeria while it blasts “Fight the Power” by Public Enemy.
http://www.youtube.com/watch?v=TQ4y7GPeFBY

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