Symphony is a symphony (symphony suite) played by a large orchestra. Symphonic music mainly refers to five genres: symphony, concerto, band suite, overture and symphonic poem. However, its category often extends to some orchestral music with its own characteristics, such as fantasia, capriccio, rhapsody, narrative, March, variation, dance music played by symphony orchestra and so on. In addition, symphonic music also includes headline orchestral music. His main difference is that he uses an orchestra.
Classical music includes symphony, orchestral music, opera concerto, instrumental solo and so on. It can be said that symphony is a part of classical music. At present, we listen to classical music, such as Beethoven and Mozart.