A very interesting characteristic of the program is the "automatic reformatting" of the windows related to the requested "general" dimension and desktop theme, that it's changeable by program using "Setup-Windows themes panel ". In the examples below, you can verify that the program executes automatically "Skin"  modification according to Windows-theme and resize all windows in reason of the dimensions of the main window. 

Full screen visualization of main window and alternate Karaoke windows

Therefore are possible hundreds of visualizations modality as your requirements and preferences.