In Mood Swing [The Lovers], two LED light bulbs that are joined on an aluminium base. Each light bulb changes to a different color and only briefly do they simultaneously have the same colour, before going on their different colors.
En Mood Swing [Los Amantes], dos bombillos de LEDs están unidos en una base de aluminio. Cada bombillo cambia a tonos de color diferentes y solo coinciden en un mismo color muy brevemente, para después continuar cada uno colores diferentes.