appeared throughout the Baroque and Classical periods as instrumental introductions
to operas in order to set a particular mood or atmosphere. During the Romantic
period composers wrote only overtures without writing operas attached to
them. These came to be known as Concert overtures.
Concert overtures are also considered to be program music, as they to tell a story. Mendelssohn's
Cave Overture is an example.
Fingal's Cave Overture "Hebrides"
Fingal's Cave Overture "Hebrides",
MIDI sequence by Nobuo Sugimura
from MIDI World