The czech composer bedrich smetana wrote a famous piece call the moldau which is depicted scenes that took place along a river that runs through his country. this is an example of

The Moldau is an example of program music. By definition, a program music is a type of music intended to create impressions of events. The musical piece, The Moldau, reflects scenes which took place along the river in Czech Republic. Since this music creates impressions of events that occurred by the river, thus it is considered a program music.