Here are the list of links of my favorite sites:
Classical Midi Archives - a site containing the largest collection of classical music particularly media like MIDI or Musical Instrument Digital Interface.
Sheet music archive - a site containing printable sheet music for available instrument. Sheetmusics are already 50 years old and above.
Classical guitar midi - the collection of guitar pieces and guitar transcriptions for the mastery of the classical guitar.
The J.S. Bach Home Page - A complete site on Bach. Contains biography, list of works, portraits of Bach. List of his works and recordings, including MIDI, on this great composer. Links on web sites on Bach.
Early Romantic Guitar - a very complete site on the evolution of guitar during the period 1804-1882.
The Classical music pages - offers information on musicians, musical terms, forms, concepts, and epochs.
Jewel's Original Pilipino Music Page - a repertoire of romantic songs composed by skillful Filipino composers and performed by interpretative performers.