Guido of Arezzo's formulation of the Solmization System
Period: 1098 to 1179
Hildegard of Bingen
Ars Nova Treatise
The major innovation was the system of notating rhythm with time signatures and the breve, semibreve, and minim to define the relationship between time and prolation.
Period: 1450 to
Martin Luther, "Ein feste burg (A Mighty Fortress)"
Arcadelt Madrigal, "Il bianco e dolce cigno"
Palestrina, "Pope Marcellus Mass"
The legend and importance of this piece is that it demonstrated that words could be intelligible in a polyphonic setting with 6 voices.
Victoria, "Missa O magnum mysterium"
Gabrieli, "Sacrae symphoniae (Sacred Symphonies)"
Gabrieli's "Sacrae symphoniae" were published while he was at St. Mark's in Venice. They are an example of abstract instrumental works.
First Public Concerts in England
Johann Sebastian Bach
Vivaldi, Concertos, Op. 3 (L’estro armonico)
The significance of Vivaldi's concerto is that it is the first instance in which the slow movement is as important as the fast ones. Furthermore, it reflects the stylistic changes of the first half of the eighteenth century and helps establish Vivaldi as the founder of the Classic symphony.
Rameau, "Traité de l’harmonie (Treatise on Harmony)"
Traité de l’harmonie (Treatise on Harmony) is one of the most influential theoretical works ever written because it became the principal basis for teaching harmony.
Bach, "The Well-Tempered Clavier" Volume I
The significance of "The Well-Tempered Clavier" is that it was one of the earliest cases where a keyboard plays in all keys on an while tuned in near-equal temperament.
Viennese Classical Period
Franz Joseph Haydn
Wolfgang Amadeus Mozart
Le Chevalier de Saint-Georges as director of Concerts des Amateurs
The significance of his tenure as director of Concerts des Amateurs is that under African American composer and violinist Joseph Bologne's, Concerts des Amateurs became known as one of the finest orchestras in
Europe, premiering numerous new works.