When the Beatles recorded Sgt. Pepper in 1967 on four-track machines at EMI in London, they were working in a technological slum compared to the equipment the Beach Boys had at their disposal. But George Martin's technical savvy, inventiveness, musical knowledge and impeccable taste put the Beatles' genius front and center (and left and right) in one of the best pop albums ever made.
Martin's son, Giles, remixed the original four-track mono tapes (some of which had never been played) and the result — from the 50th anniversary boxed set, which includes original mono, 1967 stereo and 2017 stereo versions, isn't just a marketing money grab, it really is stunning. Here Giles Martin is, interviewed by Terri Gross.
Want more? Here's Martin, interviewed by Bob Boilen, on All Songs Considered: