Conductors enforce how the music is interpreted and played . In some songs like a march you want everyone to keep time but you may emphasize certain notes such

Conductors enforce how the music is interpreted and played . In some songs like a march you want everyone to keep time but you may emphasize certain notes such as the liberty bell march (Monty pythons flying circus theme song). Other pieces such as the 1812 overture would emphasize the gradual build up or ending. But both of these songs have to be interpreted in how they are performed. For example in Vivaldi’s summer in four season can be interpreted it ways that sound faster or slower .