A method comprises detecting that a light device (61) which has not been commissioned into a lighting system has been added to the lighting system. The method further comprises determining whether the entertainment mode is active, adding the light device to the entertainment group (51,52,53) upon detecting that the light device has been added to the lighting system in dependence on the entertainment mode being active, and controlling the light device to render one or more light effects synchronized to the media content in the entertainment mode after the light device has been added to the entertainment group. The method further comprises detecting that the light device is unavailable and removing the light device from the entertainment group upon detecting that the light device is unavailable.