The Busca
Vida Music Pages
Early, classical, and baroque music, plus a special section on music of
Brazilian composers and an assortment of folk tunes from around the world. In
English and Portuguese.
BV Música
(From the same author as the above site) A selection of music from Medieval
times through the 20th Century. Nicely arranged, with biographies and other
information. In Portuguese.
Clarinet Players Midi Source
This site has two purposes: "To encourage clarinet players to use their
computers to play the piano accompaniment when rehearsing music which they already own,
and to give players a better idea of what music is available for purchase, what it sounds
like and who publishes it." A wide selection of pieces written for clarinet.
Classical Guitar Midi Archives
A nice little collection of guitar music from various centuries.
Classical
Guitar MIDI Library
This site offers MIDI files from many unpublished 19th century guitarists and
includes research on the history of the classical guitar in Japan.
Classical Masterpieces from the
Midi Music Website
A very well-designed page. Click on "Midifiles" in the left-hand frame.
Classical MIDI Archives 
This is a beautiful page with over 4,400 MIDI sequences of pieces from all the great
masters.
The Classical MIDI Connection
This page covers all periods from the Renaissance to the present day. Some amateur
composers are presented along with the Masters.
Classical MIDI Files at midiworld
A wide selection, with special pages devoted to the more well-known composers.
Classical Music MIDI Page
Over 425 sequences submitted by various people. Includes biographical information on the
composers.
Classical Piano Midi Page
A nice selection of popular piano pieces, well-crafted by Bernd Krueger.
Classical MIDI Resource
MIDI and MP3 files, a monthly MIDI spotlight and more. "The permanent
collection" contains zipped MIDI files organized by type.
Dave's J.S. Bach Page
Webmaster David J. Grossman offers not only tasty sequences, but complete
annotations and the option of playing or downloading the entire piece or individual
movements in both .mid and .zip forms.
Early Music Women Composers
Music from and extensive information about female composers. Most were born before 1765
but some more modern composers are also represented.
Jorge Guillen Classical Guitar Archives
Contains some wonderful sequences as well as transcriptions, manuscript paper,
and more.
The Internet Piano Page
Great source of classical Piano files. Most of the pieces have been played by
professional concert pianists so that best quality is guaranteed.
The Internet Renaissance Band
MIDI artist Curtis Clark has put together a collection of early music files,
featuring works from the Renaissance and Medieval periods.
Karadar Bertoldi
Ensemble MIDI Archive
A very large collection of music presented by this eight-member ensemble from
Italy. The site also features MP3 files recorded by the group.
MIDI Instrumentarium
Early and Classical music, including works by Joseph Bodin de Boismortier, Giovanni
Battista Bononcini, Antoine Dornel, Johann Christoph Pepusch, Johan Helmich Roman, John
Stanley, Georg Philipp Telemann, Henry Thornowitz and others. In French.
MIDI Works/Rodrian
A well-crafted collection of keyboard pieces, primarily from Bach and Beethoven.
Moclin's MIDI Collection
A deep and delightful collection, also available in Japanese.
Unheard Beethoven
A storehouse of over 100 MIDI files of previously unrecorded Beethoven manuscripts.
The Silvis Woodshed
For vocalists;
these files have only the choral parts (i.e., no accompaniment) and
are constant velocity (i.e., no dynamics).
Spanish Early Music: Renaissance & Baroque MIDI Files
Sequenced by F. Villanueva, the music is arranged by schools. Includes
music from the 1500's to the early 1700's.
www.music-scores.com 
Offers free sheet music in Adobe Acrobat format, MIDI files, and scores
in Sibelius Scorch format (a free plug-in that plays the music as the sheet
music is displayed). This site is available in British or American English, French, Italian,
German and Spanish.
Yoshiwara's Early Music Site
Yoshiwara is passionate about Renaissance and Baroque music and has crafted this
new site which features her sequences of well-and lesser-known composers.
Elsewhere on About.com 
