Backdrop Lights Help never use studio light before.

Hi all. I need help setting up for light for my back drop. The room is already bright enough but I was thinking about adding a single softbox stand. Will by having just one softbox is enough for shoot a small groups like 5-6 People?Canon 6d. 24mm. F4.0I'll take any advice you might have. Thanks. via /r/Beginning_Photography http://ift.tt/2tqdo3c