Venues in Brighton and Hove which allow musicians or other acts to incite violence face losing their licences.
The city council has approved a policy to prevent pubs and clubs allowing so-called "murder music" that incites hatred against gay people.
The move was prompted after protests from the gay community led to a concert by Jamaican artist Buju Banton being cancelled at Concorde 2 last year.
His song, Boom Bye Bye, had lyrics referring to the shooting of gay men.
The reggae singer has since signed up to a commitment to ban hatred and prejudice from his music.
"It's about reclaiming our public spaces for civilised activity and decent, peaceful people"
The Concorde 2 concert was cancelled after pressure from the council, police, and the city's gay community.
The council said the new licensing policy, which was approved on Thursday, had cross-party support.
Any venue which stages acts that incite violent crime or anti-social behaviour now faces a review of its licence.
It could lead to removal of its supervisor or suspension or loss of its licence.
"While the policy does not just apply to musicians, it does not just protect gay people," said Councillor Dee Simson.
"Inciting violence towards women, students, visitors or anyone else could bring the same sanctions.
"It's about reclaiming our public spaces for civilised activity and decent, peaceful people."
She said the measure was a small part of the council's licensing policy and was likely to be used rarely.
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