||IMSLP - International Music Score Library Project
||An enormous collection of Public Domain classical music scores and parts, all totally free of charge.
||An excellent tune search engine, using typed note names, or up/down and other methods for inputting notes of a theme. Created by the Center for Computer Assisted Research in the Humanities at Stanford University.
||Musipedia - the Open Music Encyclopedia
||A virtual piano or 'Parson's code" tune search engine.
||Folk Tune Finder
||An excellent virtual piano or notation-based tune search specializing in Folk-Music.
It accesses heaps of sheet music in ABC
music text format.
||A large library of recorded music, of a high standard, for free listening. It also has informative essays on music. It contains new 'serious' music, as well as works by the great masters.
||A sort of chat site for classical music lovers, a community covering every aspect of classical music. (Perhaps this is the nearest approximation to 'social media' for classical music people)
||Compose your own tunes in 4-bar chunks,
and store them as midi files or as ABC
mussic notation files. Use them to
assemble larger compositions.