What are the three Greek architectural orders?

The classical orders—described by the labels Doric, Ionic, and Corinthian—do not merely serve as descriptors for the remains of ancient buildings but as an index to the architectural and aesthetic development of Greek architecture itself.

beethoven's first public performance in vienna was on march 29, 1795. he gave a piano concert, or akademie, in vienna's burgtheater as part of an event organized by joseph haydn (probably op. 15). in these early years, beethoven's success as a composer was closely tied to his career and renown as a piano virtuoso.

explanation: