The invention relates to the control, for example the creation or modification of a lighting scene with a lighting system, and the invention particularly relates to a more easily and user oriented controlling of the creation and modification of the lighting scene. An embodiment of the invention provides a light system controller (10) for controlling a lighting scene created with a lighting system (12) comprising an user interface (14) for receiving at least one user defined lighting scene descriptor as an user input (16), processing means (18) being adapted for modifying the properties of the actual lighting scene created with the lighting system in accordance with a received user defined lighting scene descriptor and outputting an appropriate modification output (20), and a lighting system interface (22) being adapted for receiving the modification output from the processing means and for outputting appropriate control signals (24) for light sources (26) of the lighting system for creating a lighting scene in accordance with the input received from the processing means. The light system controller allows a user to easily create and modify lighting scenes, which are created with a complex lighting system.