<I>American Heritage</I> takes a comprehensive look at firefighters.

Douglas Hofstadter reconsiders some of his notions about music and artifical intelligence.

Two scientists from McGill University&mdash;Daniel Levitin, a cognitive neuroscientist, and Stephen McAdams, a cognitive psychologist&mdash;and a professor from the College of New Jersey joined forces with the conductor and five members from the Boston Symphony Orchestra, not to mention 50 audience members, this past weekend to attempt to measure how people process music.

<I>Totally new Heads:</I> HeadRoom has released new versions of its <A HREF="http://www.stereophile.com/headphones/1204headroom/">Total BitHead</A> and Total AirHead headphone amplifiers. Both models feature new, quieter volume potentiometers and improved audio chips for superior sound.

How to integrate a computer into a high-end audio system is a hot topic these days. I'm getting more and more e-mails from readers asking for advice, Wes Phillips wrote about transferring his LPs to audio files in his <A HREF="http://www.stereophile.com/images/newsletter/1005Astph.html">October</A…; and <A HREF="http://www.stereophile.com/images/newsletter/1105Astph.html">November</…; newsletters, and a lively thread on this topic ran on the <A HREF="http://forum.stereophile.com/forum/showflat.php?Cat=&Number=2067&page=0… at www.stereophile.com</A&gt;.

How to integrate a computer into a high-end audio system is a hot topic these days. I'm getting more and more e-mails from readers asking for advice, Wes Phillips wrote about transferring his LPs to audio files in his <A HREF="http://www.stereophile.com/images/newsletter/1005Astph.html">October</A…; and <A HREF="http://www.stereophile.com/images/newsletter/1105Astph.html">November</…; newsletters, and a lively thread on this topic ran on the <A HREF="http://forum.stereophile.com/forum/showflat.php?Cat=&Number=2067&page=0… at www.stereophile.com</A&gt;.

How to integrate a computer into a high-end audio system is a hot topic these days. I'm getting more and more e-mails from readers asking for advice, Wes Phillips wrote about transferring his LPs to audio files in his <A HREF="http://www.stereophile.com/images/newsletter/1005Astph.html">October</A…; and <A HREF="http://www.stereophile.com/images/newsletter/1105Astph.html">November</…; newsletters, and a lively thread on this topic ran on the <A HREF="http://forum.stereophile.com/forum/showflat.php?Cat=&Number=2067&page=0… at www.stereophile.com</A&gt;.

How to integrate a computer into a high-end audio system is a hot topic these days. I'm getting more and more e-mails from readers asking for advice, Wes Phillips wrote about transferring his LPs to audio files in his <A HREF="http://www.stereophile.com/images/newsletter/1005Astph.html">October</A…; and <A HREF="http://www.stereophile.com/images/newsletter/1105Astph.html">November</…; newsletters, and a lively thread on this topic ran on the <A HREF="http://forum.stereophile.com/forum/showflat.php?Cat=&Number=2067&page=0… at www.stereophile.com</A&gt;.