Technical director Ola Melzig discusses all that stuff happening on stage at Eurovision Song Contest 2016, working with lighting designer Fredrik Jönsson, video designer Mikki Kunttu, and stage designers Frida Arvidsson and Viktor Brattström.
Also see Fredrik Jönsson's lighting plots and gear.
Check out our full Project in Focus on Eurovision, and stay tuned for more coverage, sponsored by SHS Global.