A group who met at Cambridge University are topping the charts.
Clean Bandit stormed to the top of the singles charts with their dance pop tune Rather Be.
The track, featuring Jess Glynne, sold 163,000 copies over the last seven days, according to the Official Charts Company.
The quartet - brothers Jack and Luke Patterson, Grace Chatto and Neil Amin-Smith - knocked Pharrell Williams' Happy off the summit to score their first chart-topping single.
More top news
Winds soon easing to leave a dry and settled day with plenty of sunshine
Mild overnight with a few light showers. Breezy tomorrow. Generally dry and settled with some decent sunny spells
Norwich City have signed West Brom midfielder Graham Dorrans on a permanent deal.