DJ Calvin Harris poses backstage with statuettes after winning the award for "Best Electronic Dance Music Video " at the 2012 MTV Video Music Awards in Los Angeles, September 6, 2012.[Photo/Agencies]

Scottish DJ and producer Calvin Harris topped the British music charts on Sunday with the dance track "Sweet Nothing", a collaboration with the singer Florence Welch.

Last week's number one, "Don't You Worry Child", by Swedish House Mafia, a dance music trio from Stockholm, slipped to second place.

Related: Swedish House Mafia pip Adele to top chart

South Korean singer Psy held steady at number three with "Gangnam Style", an Internet hit that has notched up half a million views on YouTube.

Related photos: Psy brings 'Gangnam Style' to Sydney

Barbadian pop singer Rihanna's "Diamonds" kept the fourth spot, while London-born Adele fell three places to fifth with "Skyfall", the theme for the new James Bond film.

Related: Rihanna's 'Diamonds' tops UK pop chart

On the album chart, English singer Jake Bugg was the new number one with his eponymous new release, according to the Official Charts Company, which compiles the weekly rundown.