n)   Sonatas
n)   Quartet Music
n)   Chamber Music
n)   Concertos
n)   Symphony
n)   Operas
n)   Sacred Music

n)   Guitar Music
n)   Organ Music
n)   Piano

n)   Modern Music
n)   VHS Music
n)   DVD Music

Composers
n)   Beethoven's Music
                           
Conductors
n)   Toscanini Conducting

Artists
n)   Artists

Groups
n)   Groups

Orchestras
n)   Orchestras
 
Anyhow, everybody's idea of how to organize music is
different.  Just alter what you think is best for you
and go from there.