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She stands in the long and winding Election Day line, a wonder in her cream-colored cotton sweater, black tights, and two-inch heels. Her head is down in Milan Kundera, and somewhere in her mind she sings.

For Halloween, I dressed up as myself: rigid and morose. My costume was a smash at all the parties. However, the Best Costume Award goes to <a href="http://snowghostmusic.com/">SnowGhost Music</a>'s Greg McGrath. Greg dressed up as an MP3. He explained:

I can't think of a product that was as eagerly anticipated as was Ayre's KX-R preamplifier ($18,500). Following in the footsteps of Ayre's <A HREF="http://www.stereophile.com/solidpoweramps/407ayre">MX-R monoblock amplifier</A>, a <I>Stereophile</I> <A HREF="http://www.stereophile.com/features/1207poty/index9.html">2007 Product of the Year</A>, and milled, like the MX-R, from a 75-lb billet of aluminum, the KX-R also shares with its monoblock stablemate the Ayre ethos of zero feedback and fully balanced operation. But what really caused the buzz was the declaration by Ayre founder and chief designer <A HREF="http://www.stereophile.com/interviews/610">Charles Hansen</A> that the KX-R, with its use of a technology he calls Variable Gain Transconductance (VGT) to control the volume, would set new standards for signal/noise ratio.

Can audiences tell the difference between a computer-generated orchestra and the real thing? Just how far have digital sampling and loudspeaker technologies advanced?

One of my favorite jazz bands, Ben Allison’s Medicine Wheel, is playing at the Jazz Standard Nov. 4. Allison is an enticing bassist and composer, agile and inventive, flitting from Herbie Nichols to film noir to raga, ska, funky blues, and straight-ahead jazz without showing a seam, loosening his wit, or abandoning the melody or the swing. The band is first-rate (regular readers will recognize most of them): Frank Kimbrough, piano; Jenny Scheinman, violin; Ted Nash and Michael Blake, reeds; and Michael Sarin, drums.

Andrew Hill, the knotty avant-garde pianist, and Chico Hamilton, the boisterous polyrhythmic drummer, seem an unlikely pair at first (or second) glance. But they set off fascinating fireworks, and carved out sinuous jags of common ground, in a duet recording, <I>Dreams Come True</I>, just released on Joyous Shout!, an Indiana-based label that I’ve never heard of. (Its website seems to be a sort of shrine to Chico Hamilton merchandise.)

Jenny Scheinman is one of the liveliest, quirkiest jazz musicians out there, a violinist with folk roots, a kind of bluegrass cadence, and a deepening mastery of improvisational idiom. She’s playing at the Village Vanguard through this Sunday with Jason Moran (the best pianist on the scene), Greg Cohen (one of the two or three best bassists), and Rudy Royston (a drummer who’s new to me but he’s very good too). If you’re in the tri-State area, go see her.