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Ron Sutherland has devised the Timeline, a device for testing the 33.33 and 45rpm speeds of turntables. It's housed in a disc of aluminum and Delrin that fits over the platter spindle. Turn it on, and an LED shoots a red dash of light at the wall (if there is one) behind your turntable. If the dash doesn't move, the speed is correct. If it drifts to left or right, you'll need to adjust the 'table's speed. Unless your wall has hash marks, there's a bit of subjectivity involved, and at $399 the Timeline isn't cheap, but Sutherland says he's not making much money at that price, and that it will take a lot of sales to recoup the R&D he's put into designing something as precise as he claims the Timeline is.—Michael Fremer

Attention, last-minute Christmas shoppers: No gift could be more welcome to a jazz lover than a copy of Herman Leonard’s last book of photographs, titled, simply, Jazz (Bloomsbury, 320pp., $40 retail).

Leonard was the consummate jazz photographer, a true artist as well as a chronicler, whose black-and-white pictures—most of them taken between the late 1940s and the early ’60s (though with a remarkable reprise in the late ’80s and ’90s)—captured, even visually defined, the passion of the music, the intimacy between the musicians and the moment, the spirit of the times.

I've always enjoyed the time I've spent with NHT loudspeakers. The two bookshelf models I've reviewed—the SB-3 (Stereophile, November 2002) and its successor, the Classic Three (November 2006)—shared NHT's "house sound": liquid, balanced, and dynamic, with little coloration, and a slightly forward and lively midrange. The newer Classic Three, still in production, sounded more refined, natural, and detailed than the SB-3. I like to see speaker designers whose work improves over time.

So when NHT approached me about reviewing a new floorstanding model with a small footprint, the Classic Absolute Tower—their first new speaker design of the next decade, they say—I jumped at the chance. Not only had I not reviewed an NHT in a while, but I'm increasingly intrigued with—and applaud—the trend of manufacturers to add small-footprint tower speakers to their lines of affordable speakers. As most speakers costing under $1000/pair tend to be bookshelf models, shoppers need to worry about buying good-quality stands of the appropriate height, and about optimizing the speaker positions with respect to the front and side walls.

Classical music retailer Arkivmusic.com is making available for download this holiday season four CDs from John Marks Records: the three Rejoice! A String Quartet Christmas CDs and Songs My Mother Taught Me, from violinist Arturo Delmoni and some of his friends.

Click through for a free FLAC download.

The January 2011 issue of Stereophile is now on newsstands&#151a whole new year, a whole new volume of your favorite hi-fi magazine!

The Cello Suites: J.S. Bach, Pablo Casals, and the Search for a Baroque Masterpiece, by Eric Siblin (New York: Atlantic Monthly Press, 2009); hardcover, 318 pp. $24.

In his lifetime, J.S. Bach (1685–1750) was an obscure figure. He never lived in a major city, he didn't work in the musical form—opera—that in his era could propel a composer to stardom, and his style seemed antiquated to many. Bach saw a mere nine of his compositions published; when his consummate masterwork, The Art of the Fugue, appeared the year after he died, it sold just 30 copies.

Eric Siblin includes these and countless other facts in The Cello Suites, a book that will fascinate anyone who loves Bach's music. He notes, for instance, that Bach's four musical sons kept his work in circulation, that Mozart was mightily impressed by a motet he heard at a Leipzig church, and that the 12-year-old Beethoven raised some eyebrows when he performed The Well-Tempered Clavier in Vienna.

The first part of a six-part BBC documentary narrated by the late John Peel

Born in January 1941, Don van Vliet, aka Captain Beefheart, died Friday, December 17, 2010, of complications related to multiple sclerosis.

Even though he gave up music in 1982 (beginning a successful career as a reclusive artist until hampered by the onset of multiple sclerosis), Captain Beefheart left an important and influential musical legacy.