1. The document provides information about music from the Classical period (1750-1820), including famous composers such as Haydn, Mozart, and Beethoven.
2. It discusses classical forms such as the sonata, concerto, and symphony. The sonata is a multi-movement work for solo instrument, while the concerto features a soloist accompanied by orchestra.
3. Characteristics of classical music included homophonic harmony and texture, as well as the clear use of dynamics through crescendos and diminuendos.