Classical Period

The Piano:The piano wasn't created since the classical period. The pianos full name is the pianoforte which means the soft loud.
The people always said that in every song they need musical phrases, this is where you would pause in a piece of music if you were playing the piano. If you were singing this is where you would take a breath.

Opera

The birth of opera was in the baroquee period.

Henry Pacell was a opera composers.

Baroque opera:

Recitative- Half spoken half sung, sung in a spoken speech.

Aria- Solo song .

Chorus- A group of people singing together (not a part of a song).

Dance- Instrumental section.

Duets/trios- couple of people singing together or 3 people singing together.

Henry Pacell:

Dido & Aeneas