The cornu is an ancient musical instrument very similar to the buccina.
Each mode expressed a certain feeling and each mode had its place, thus, Aristotle recognized that modes could be used for different reasons.
Each of the Greek muses had a specific talent in the arts.
Arithmetic, Geometry, Music, and Astronomy
was not as highly valued (APEX)
Quadrivium refers to the four subjects that were studied in school.
Pythagoras was the Greek philosopher and scientist who conducted the first experiments in acoustics.
The cowbell is a percussion instrument.
Maracas and Finger cymbals.