Complex sentence: They performed together under the duo name Eldar & Nigar and their entry was named "Running Scared" and it was written by Stefan Örn, Sandra Bjurman and Iain Farguhanson from Sweden.
Split into simpler sentences: They performed together under the duo name Eldar & Nigar. Their entry, named "Running Scared", was written by Stefan Örn, Sandra Bjurman and Iain Farguhanson from Sweden.