Alice Coltrane: Kirtan: Turiya Sings, James Brandon Lewis/Red Lily Quintet: Jesup Wagon, William Parker: Painters Winter and Todd Cochran TC3: Then and Again, Here and Now.

David Bowie: The Width of a Circle, Japanese Breakfast: Jubilee, The Chills: Scatterbrain and Juliana Hatfield: Blood.

As she moves quietly across the huge scoring stage at Skywalker Studios toward the large, comfortable control room that sits behind glass, it's obvious that Leslie Ann Jones is in charge. She wears no badge that proclaims her authority, although her professional title is impressive: "Director of Music and Scoring, Music and Scoring Recording Engineer and Mixer".

Step 1. When I was in my mid-20s, an older editor at the Dutch current-affairs magazine I worked for told me he wanted to write a piece about audiophiles: He had been bitten by the audio bug himself. Because I often wrote about rock and pop music, he asked if I had a quality hi-fi system, and if so, would I be willing to be interviewed for his article

A few years ago, Leif Johannsen, Ortofon's chief officer of acoustics and technology, was tasked with designing new products to commemorate the company's 100th anniversary, in 2018 (footnote 1). Ten years ago, to celebrate Ortofon's 90th, he came up with the radical A90 moving-coil cartridge, which used Selective Laser Melt (SLM) technology to laser-weld together microparticles of stainless steel, layer by layer, to produce a 3D-printed metal body whose shape would have been impossible to machine.

As I begin writing this column, I'm on an airplane on my way back from the funeral of David A. Wilson, founder of Wilson Audio Specialties. Two days before I left for Provo, Utah, came the news that my friend and analog mentor, Wally Malewicz, had died the previous day in Minneapolis, after suffering a massive heart attack. Immutable Music's Seiji Yoshioka, designer of the Transfiguration phono cartridges, passed away February 17, after a lengthy hospital stay.

Mingus at Carnegie Hall documents one of the most extraordinary live jazz concerts. Atlantic Records released a one-disc LP of the same title in 1975,a few months after the heady event, but it included only the second half of the show—late-career Charles Mingus's young quintet jamming for 45 minutes with three older guest stars on Ellington standards "C Jam Blues" and "Perdido" (the latter written by Juan Tizol).