Labor history of the United States. The labor history of the United States describes the history of organized labor, as well as more general history of working people, in the United States. Unions have been important components of the Democratic Party, but that began in the 1930s.
In a more modern usage, a symphony or symphony orchestra is an orchestra, particularly one that plays or is equipped to play symphonies. Going to hear a symphony orchestra play is sometimes called going to the symphony, whether or not an actual symphony is on the program.
The conductor of this orchestra has the second violins on his right. An orchestra is a group of musicians playing instruments together. They usually play classical music. A large orchestra is sometimes called a symphony orchestra and a small orchestra is called a chamber orchestra. A symphony orchestra may have about 100 players, while a chamber orchestra may have 30 or 40 players.