Only thing playing is the banned violence
No lying niggas just won't let go the iron

from Joey BADA$$ (Ft. CJ Fly) – Hardknock Lyrics on Rap Genius

Meaning

A play on violins and bands, finishing up a opera/classical music metaphor. The only piece of work playing in the streets is violence, and it’s shameful. .

Banned violence = band violins.

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