When it comes to the superlative, time-eclipsing musical achievements of The Beatles, technological innovation has been there every step of the way. During their heyday, technology marched arm-in-arm with the band’s strides in the studio. Their artistic growth was aided, time and time again, by cutting-edge advances in recording technology. There was the movement from twin to four-track and, ultimately, eight-track recording that mirrored The Beatles’ incomparable creative trajectory, well-served by such advances as producer George Martin’s innovative use of varispeed recording and engineer Ken Townsend’s Artificial Double-Tracking.

Which brings us to the bravura rerelease of “The Beatles: Anthology” series. Originally broadcast on network television in 1995, the multi-episode series affo

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