Ambisonic.net  
   Introduction to the ambisonics method of surround sound encoding. Includes technical articles, discography of ambisonic recordings, equipment listing, surround sound FAQ, and the Sursound mailing list.
   http://www.ambisonic.net/

Lentine's Music Technology Guide  
   Large collection of articles on technology in music education, software, MIDI instruments, and sound reinforcement equipment. Requires Adobe Acrobat Reader.
   http://www.lentine.com/articles/

Jörg Schmitz Analog Synthesizer DIY  
   Information about analog synthesizers, including schematics, links and how-to tutorials. Also features a section on microcontrollers and audio music technology.
   http://www.analog-synth.de/

Futuremusic - What's Next in digital music technology and culture  
   The latest technology and culture news for the digital music lifestyle.
   http://www.futuremusic.com

Kidnapster.net  
   All the news about peer-to-peer (P2P) and music downloading in one site.
   http://www.kidnapster.net

Kings of A&R  
   Kings of A&R (KOAR) offers daily music press releases, new CD reviews, and reviews unsigned artists.
   http://www.kingsofar.com

ProTune6 reel-time guitar tuner  
   Provides an automatic tuning of the guitar. News and information about this product.
   http://protune6.com