Anthony Maydwell.com
Harmony and Analysis
Music Theory Online
Musictheory.net
Solomon's
Music Theory Pages
Society for Music
Theory
Schenkerian Analysis
Texts on Music in
English (Treatises from the
middle ages to the 18th century)
Timothy A.
Smith's Analysis of Fugue and the Canons and Fugues of J. S. Bach
A great multimedia site (even better if you have the recommended CD's!
Download a musical dice game (based upon the Mozart [spurious] game) - in German for Windows.
Mental Prompts for Aural Analysis
Bibliothéque nationale France: écritures : écriture et parole : le signe et le son