Creating Multi Scene
The purpose of Multi-scene is to enable the combination of strip and video scenes. It is ideal in case you need to mix linear effects with video effects.

Add multi scene command in main menu
The multi-scene is simple. It displays a list of all available scenes from your workspace in the Banks pane on the left side. You can drag and drop them on the right side to Layers to use the scene as a layer of the multi-scene.
Multi-scene settings window
You can also create new layer from scratch using Add Layer button. It will give you an option to create new strip or video scene.
To save the scene, use the Save & Close or Save command from the main menu.
LSS 4