you should talk to BIG4
In the past, only 4 tracks, so Sir George Henry Martin only have few mic to record beatles, maybe recording biz sound better than

But nowaday their much politic, why artist always record in the most comfortable downtown with all fancy decoration, but not the real studio
why the records label GM always so wheathy, why that's no good recording start from the root:- record labels' own profit,artist profit, marketing, and......