With a host of the two displays show how different things set up

first
support for a card to the nVidia graphics cards, for example, if the display is automatically inserted two identified And then into the Control Panel-nVidia Control Panel, select multiple monitors, display mode and then choose what you mean is:as a computer program like song, running the same program, a show song, and the other karaoke show ok Right?
If so, as long as it is revealed that two-card, you can achieve, the simplest is set to extend the show, and the second to display things on display until the second line