General

Musical Instruments of Malaysia
http://www.zanesville.ohiou.edu/malaysia/aerofons.htm
Contains information on tons of instrument used in traditional Malaysian music. From the University Conservatoire, Universiti Putra Malaysia.

Music Heritage Network's Musical Encyclopedia
http://www.si.umich.edu/CHICO/MHN/enclpdia.html
Developed in cooperation with the University of Michigan School of Information and Stearns Museum of Musical Instruments, School of Music, this project is an initiative of CHICO, the Cultural Heritage Information and Community Outreach project at SI. This is an excellent resource for learning about many different instruments. Allows the user to browse instruments by type, classification, and geography. Many instrument listings also include links to other sites about that instrument.

Sibelius Academy - Instruments
http://www.siba.fi/Kulttuuripalvelut/instruments.html
This site comes from Sibelius Academy, the only Music University in Finland. This is a good-sized list of links about lots of different kinds of instruments.

Edinburgh University Collection of Historic Musical Instruments
http://www.music.ed.ac.uk/euchmi/index.html
Includes an electronic picture archive, along with many other resources.

A Guide to Medieval and Renaissance Instruments
http://www.s-hamilton.k12.ia.us/antiqua/instrumt.html
Very handy collection of instrument pictures on line, plus brief descriptions of their uses and history. A must see for any instrument buff!!

Concert Band Literature
http://www.und.nodak.edu/instruct/knorman/521/bandlit.html
This site was prepared by members of the Fall 1996, Instrumental Literature Course taught by Dr. Katherine Norman at the University of North Dakota. It includes links to publishers' recordings and other resources concerning band music and orchestral music.

Wind

Flutes are Fabulous
http://www.geocities.com/Vienna/Choir/6877/
Kristy Adams, the creator of this web page, is a music major at Clayton College and State University in Morrow, GA. She has "compiled as much information as possible from different master classes including Jean Pierre Rampal, Paula Robinson, Bonita Boyd, and Amy Porter. The info is quite helpful in developing technique, perfect tone, better practicing habits, what to do at an audition, how to prepare music, and so much more. There are MIDIs here compiled from all over the web with flute and piano accompaniment. Kristy has put together a pretty good web page with lots of good info for flutists.

String

The String Pedagogy Notebook: A Resource for Teachers and Performers compiled by Michael Hopkins
http://www.uvm.edu/~mhopkins/
The site contains information on right and left hand technique, ear training, classroom and private teaching, as well as a list of books and information on string pedagogy. Michael Hopkins, who created and maintains the site, is an Assistant Professor in the Department of Music at the University of Vermont where he conducts the University Symphony Orchestra and teaches Basic Musicianship. Includes a searchable database of Graded Orchestra Literature, which currently contains 50 titles and will eventually contain over 190.

Percussion

Piano on the Net
http://www.artdsm.com/music.html
Free net lessons, piano based theory and much more.

Percussion Information by Marc Zoutendijk
http://www.xs4all.nl/~marcz/index.html
Marc is a professional percussion player and drummer who teaches percussion, drums and the art of teaching percussion at the Royal Conservatory of Music in The Hague. This site is primarily classically oriented and includes info on timpani, instructional materials for download, composers, performing, and lots of other good stuff.

Yahoo Guide to Musical Instrument Organizations: Percussion
http://dir.yahoo.com/Entertainment/Music/Instruments/Drums_and_Percussion/Organizations/

Electronic

Electronic Musical Instruments 1870-1990
http://www.obsolete.com/120_years/