It started one evening when I was killing time watching YouTube videos and stumbled across a 2017 talk given by Jonathan Carr, Lyra's brilliant cartridge designer (footnote 1). After discussing his design and Lyra's manufacturing processes for about 18 minutes, Carr opens the floor to questions. Someone asks which of the many cartridge setup parameters he feels is the most important. I was floored when the first thing Carr said was that "horizontal tracking error is not very important at all." What? I couldn't believe I was hearing this from the guy who writes owner's manuals with super-specific specifications, like tracking force measured to a 100th of a gram and loading recommendations with wide but oddly specific ranges like 97.6 to 806 ohms. Did he really believe that the tonearm geometry calculations of Löfgren, Stevenson, et al, weren't such a big deal?

For decades I have painstakingly used the best tools available to perfect these settings with every cartridge I install; now a guy whose opinion I respect deeply is saying it's not very important.

Pull down the shades, find a comfortable seat, and come with me on an imaginary journey to the year 1956. The Eisenhower-Nixon ticket wins reelection, the United Methodist Church begins to ordain women, and a can of Campbell's tomato soup costs 10 cents. Elvis Presley's two-week residency at Las Vegas's New Frontier Hotel and Casino is received so poorly by the middle-aged guests that Newsweek likens it to "a jug of corn liquor at a champagne party." And a Seattle couple gives birth to Kenneth Bruce Gorelick, who will become known professionally as Kenny G.

The hobby that will become "high-end audio" is still called plain old "audio." The top marginal tax rate is 91%, the US boasts more income equality than present-day socialist Sweden, and most of the country's top earners are not panic-room wealthy but merely rich. The prices of hi-fi gear reflect this: Two of the finest power amplifiers you can buy—the McIntosh MC-60 and the Marantz Model 2 (both monophonic, of course)—retail for $198. That's about $2266 in today's dollars, and while certainly not cheap, these products are accessible to a far larger group of hi-fi enthusiasts than "the best" of today (including from McIntosh itself).