prole , 8 hours ago

I believe that they had stereo mixing pretty figured out by the 70s…

Early-mid 60s though? Sure.

Unless you’re referring to when they started mixing mono albums into stereo, then yeah. Those albums were never meant to be listened in stereo, and I wouldn’t listen to a remaster of any of them unless they were officially approved by the band, or done by the band’s own producer. And even then…