There has been a 40 per cent drop in live music revenue in Sydney's lockout zone since the laws were introduced, according to new figures from the Australasian Performing Rights Association.

Key points: APRA says 40 per cent drop in live music revenue, 19 per cent drop in patrons at nightclubs

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APRA says its figures also show a 19 per cent drop in patrons at nightclubs in the areas of the city affected by the legislation.

The lockout laws have been the subject of intense debate over the last fortnight, with Premier Mike Baird saying it would take a lot to change his mind about the rules.

He cited a 40 per cent drop in the assault rate in Kings Cross as proof the legislation was fulfilling its purpose — to curb alcohol-fuelled violence.

But those in the music industry are pushing Mr Baird to consider the impact on live music venues.

"For the people running the venues, this is personally very, very tough," John Wardle from Live Music Office said.

"For the artists, [and the] reputation and cultural fabric of the city, these are really difficult figures."

Mr Wardle said he understood the Government had an obligation to prioritise public safety, but doubts music venues contribute to alcohol-fuelled violence.

"I don't think anybody's got a problem with that, but we don't consider that these venues are causing the problem," he said.

"We should want a night economy that's desirable, that makes for a healthy, happy, creative city.

"We seem to be regulating by banning what we don't like and the offshoot is a really inflexible process in which well-run businesses are collateral damage."

Last week the NSW Government announced it had appointed former High Court judge Ian Callinan QC to lead a review on the lockout laws.

The Oxford Art Factory on Oxford Street in Sydney which was put up for sale in November 2015. ( triple j )

Mr Wardle said he hoped the music industry was heard during that review.

"There's ongoing dialogue with the State Government on an analysis of an evaluation of the lockout, but we don't have a constructive dialogue with them," he said.

"In other states like Victoria and South Australia there are regulation roundtables where the live music industry can sit with liquor licensing authorities, the police, planning and work with all these issues together.

"From that the industry is better supported and you can see the difference in their night-time economies."

On Thursday in Queensland, State Parliament passed its own controversial lockout laws that dictated licensed venues would have to call last drinks at 2:00am, or 3:00am in party precincts.

Dozens of venues close in wake of lockout laws

In November last year, longstanding live music venue Oxford Art Factory (OAF) property was put up for sale, but the owner said it would be "business as usual".

The sale came nearly a month after the operators of Sydney's GoodGod Small Club put the basement venue on the market, emphasising their decision was not inspired by the controversial lockout laws.

However, the trading restrictions, which see venues locking punters out at 1:30am and serving last drinks at 3:00am, have been blamed for a string of Sydney's live music venues shutting up shop since their introduction 2014, including Hugos Lounge, The Imperial Hotel and Soho.

At the time of the historic Lansdowne Hotel closing to become a music school in August last year, the OAF's owner Mark Gerber said the lockout laws had damaged Sydney's culture.

"The lockout may be counterproductive in the sense that it's dealing with the violence, but one thing that's also suffering because of it is the culture of the city, the soul of the city," he said.

Last year, inner-west outfit and former unofficial Annandale Hotel house band Stick Fingers covered 1981 classic Ghost Town by The Specials as a protest against their hometown's lockout laws.