You need an art idea correct, well if so depending on what type of art it is, try a landscape with just scribbles.
Like an example would be a couple of water falls on a canyon cliff just lightly scribble the edges out and then add your color with any type of texture, you know get creative! It don't have to be just that either do what you feel is right....
Jacob and Dianne ! Good luck
The music of Tchaikovsky that was used in Shakespeare's Romeo and Juliet is a concrete example of an overture. A concert overture consists of progressive movement when the song is in a sonata form and it has typically a slow introduction at the beginning of the concert overture.