Who can sing like Sia? Very few people. Is there a 74-year-old more groovy than Giorgio Moroder? I sincerely doubt it! (Though my mum has 11 years to catch up.)
This is available on YouTube but in a slightly less 'up' version, so I'm going to have a go at embedding a gadget I stole off of popjustice:
I heart pop, I really do. This on repeat is going to be the soundtrack to a long weekend trying to make Nasa's WorldWind work on a borrowed MacBook.