The document provides an overview of classical period music between 1750-1820. It discusses key characteristics including a shift away from Baroque complexity towards simplicity and balance inspired by ancient Greek styles. The classical orchestra became standardized and instrumental music was patronized by nobility. Major composers like Haydn, Mozart, and Beethoven emerged, developing new forms like the sonata and symphony. Their works came to define the classical style through harmonic homophony, clear dynamics, and forms emphasizing single melodies with accompaniment.