The first of two spectacular Eurovision Song Contest semi-finals from Oslo, as performers from seventeen countries sing their hearts out in a bid to win a place in Saturday's grand final. Paddy O'Connell and Sarah Cawood bring their unique take on the glitz and glamour, the weird and the wonderful. There's an exclusive look behind the scenes, a look at how desperate some countries are to win and the first reactions from the UK's singer, Josh Dubovie. Plus a preview of all the songs from the second semi on Thursday, in which UK viewers can vote. Email comments direct to Paddy O' Connell in his commentary box at [email protected].