Semi sensations!

The countdown to Eurovision reaches fever pitch as the 35 participants hit the host city of Vienna in Austria for the live semifinals, with Rylan Clark and Angela Scanlon bringing us all the action.

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Only 25 acts will make the final on Saturday 16 May, although luckily the UK is one of the 'Big 4', who automatically qualify. So apart from Sam Battle, AKA Look Mum No Computer, who'll give a preview of his bold performance of Eins, Zwei, Drei on Thursday, here are our four songs to look out for...

SAN MARINO