The Luna Festival is a yearly free culture festival held on the TU/e campus. The 2021 edition had to happen entirely through a livestream due to the covid pandemic. To facilitate interaction with the audience I, together with my colleagues from de Fabel Fabriek, created an interactive LED backdrop for the livestream. Through chat messages the viewers could influence the backdrop. Options ranged from making twinkles in certain colors appear, to voting on a dance battle and visualising audience applause.