Loud costumes and even louder pyrotechnic displays, Eurovision is one of TV's most intense experiences, made even more surreal when there's an unwarranted intrusion.
With detailed choreography to remember and high notes to hit in order to make her bid for the title of Eurovision winner 2018, it's not like the UK's entry SuRie needed anything else to think about.
But the singing hopeful had her act derailed by a rogue stage invader. The performance of Storm, her entry song, started out polished.
She sounded good and looked polished against minimal staging - a black tunnel in white light - and was dressed resplendently in white.
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