After the collapse of the Roman Empire in the 5th century AD, Western Europe entered a time known as "The Dark Ages" — a period when invading hordes of Vandals, Huns, and Visigoths overran Europe. These years were marked by constant warfare, the absence of a Holy Roman Emperor, and the virtual disappearance of urban life. Over the next next nine centuries, the newly emerging Christian Church came to dominate Europe, administering justice, instigating "Holy" Crusades against the East, establishing Universities, and generally dictating the destiny of music, art, and literature. It was during this time that Pope Gregory I is generally believed to have collected and codified the music known as Gregorian Chant, which was the approved music of the Church. Much later, the University at Notre Dame in Paris saw the creation of a new kind of music called organum. Secular music was performed throughout Europe by the troubadours and trouvères of France. And it was during these "Middle Ages" that Western culture saw the appearance of the first great name in musiCFrom roughly 1750 to 1820, artists, architechts, and musicians moved away from the heavily ornamented styles of the Baroque and the Rococo, and instead embraced a clean, uncluttered style they thought reminiscent of Classical Greece. The newly established aristocracies were replacing monarchs and the church as patrons of the arts, and were demanding an impersonal, but tuneful and elegant music. Dances such as the minuet and the gavotte were provided in the forms of entertaining serenades and divertimenti.

At this time the Austrian capital of Vienna became the musical center of Europe, and works of the period are often referred to as being in the Viennese style. Composers came from all over Europe to train in and around Vienna, and gradually they developed and formalized the standard musical forms that were to predominate European musical culture for the next several decades. A reform of the extravagance of Baroque opera was undertaken by Christoph von Gluck. Johann Stamitz contributed greatly to the growth of the orchestra and developed the idea of the orchestral symphony. The Classical period reached its majestic culmination with the masterful symphonies, sonatas, and string quartets by the three great composers of the Viennese school: Franz Joseph Haydn, Wolfgang Amadeus Mozart, and Ludwig van Beethoven. During the same period, the first voice of the burgeoning Romantic musical ethic can be found in the music of Viennese composer Franz Schubert