In the early 1980s, when CDs began trickling out of the few existing pressing plants, they were such rare and exotic objects that Aaron's Records, on Melrose Avenue in Los Angeles, kept them secured under lock and key in a tall glass cabinet. A customer forsaking vinyl would enter the store and, with great fanfare, announce the decision by dropping a load of LPs on the front counter with a disgusted thud. Then, in a ceremony resembling a rabbi removing the sacred scrolls of the Torah from the ark, the customer would approach the glass cabinet. An employee would unlock and swing open the doors, and, under that watchful gaze, the customer would choose from among a scattering of titles, carefully avoiding any disc that did not include the Strictly Kosher mark of "DDD."

On Tuesday, November 22, at 6pm, Stereo Exchange (627 Broadway, Manhattan) will host a demonstration of Wisdom Audio’s Reference LS4 planar magnetic line-source loudspeaker system, STS subwoofers, and SC-1 system controller.

Last Friday night, my old band, the Multi-Purpose Solution, played a show at Maxwell’s in Hoboken. We hadn’t performed since 2006, and, because we had only managed to get together for three full rehearsals prior to the show, each member of the band felt a certain amount of anxiety. But when we saw the room quickly fill with fans, family, and friends, we knew nothing could go wrong.

In a perfect world, I would own the following: one good turntable (footnote 1), one good tonearm, one good pickup head, one good step-up transformer, one good integrated amplifier, and two good loudspeakers. And some decent cables. That's all, except maybe a home and a dog and some records and some books and one good guitar.