Fisherman's Friend tycoon Doreen Lofthouse, of Fleetwood in Lancashire, and Manx businessman Trevor Hemmings, who owned Preston North End, are also in the dictionary's 2021 list.
"The rest, I guess, is well known music biz history," Mr Haynes added.Mr Mostyn, who himself has managed bands such as The Beat and Fine Young Cannibals, said he had known the studio owner since the mid-1970s.
"I never visited that first studio he had, but it must have been an amazing spot," he said."Not just because there were lots of pianos for sale, but Johnny was in the back recording the coolest bands in Birmingham at the time."Running the studios for 30 years, Mr Haynes said he was "extremely fortunate to be in the right place at the right time".
He recorded demos for bands including The Move and Jeff Lynne plus The Locomotive with John Bonham on drums, and many more."The business, which eventually relocated to Walker Hall Studio, ran until 1995 when the equipment was put into storage.
Mr Mostyn explained he had recently approached the studio owner to ask if he still had any of the kit from the period.
"He said yes, but it's taken him six months of looking," he said.It did not provide numbers as to how many arrests led to charges, convictions or deportations.
It said immigration enforcement officials had "intensified" their work to "tackle those abusing the UK immigration system and exploiting vulnerable people".Officers had visited more than 9,000 businesses - among them restaurants, nail bars and construction sites - to check paperwork and working conditions.
Such businesses had often subjected migrants to "squalid conditions and illegal working hours" as well as below-minimum wages.The Home Office said there were a range of industries exploiting migrant workers.