Daley Thompson whistled the national anthem at the LA Olympics, but we forgave him. In fact, if you have a good look at the photo, there are a number of people not singing, including one seriously military bloke (though he might just be doing that mumbling thing that people with crap voices are well advised to do).
Seriously, this kind of **** is exactly what's wrong with UK politics. Appearance over substance, always.
Meanwhile, single people living in Trafford, Manchester must confirm their claim for single-person's council tax discount online, and online only. Bit of a shame if you're an immobile elderly person with no internet connection, but hey - the (private) administrators of that system get a cut of savings thus made while the media is wetting its collective pants about Corbyn's singing.