Elusive DJ-producer KDA scores this week’s Official Singles Chart No.1 with 'Turn The Music Louder (Rumble)'.

The track – which finishes the week over 2,000 combined chart sales ahead of its nearest competitor, One Direction’s 'Perfect' (No.2) - was originally released as an instrumental before being re-worked to include vocals from Tinie Tempah and Katy B.

Speaking about topping the chart, KDA told OfficialCharts.com: “It feels great – as if I’ve been competing with One Direction. The success of this record has happened all by itself - I had no idea what was going to happen when we put it out. I always wanted a singer and rapper on this track; and it feels like it’s become one of those songs that people are allowed to like - which is just amazing!”

'Turn The Music Louder (Rumble)' serves as KDA and Katy B’s first No.1 single, and Tinie Tempah’s seventh - his most recent being Jess Glynne collaboration Not Letting Go in July.

Elsewhere, The Weeknd’s 'The Hills' scores a new Official Singles Chart peak, up two places to No.3 today.

Drake’s 'Hotline Bling' slides one place to No.4 today, followed by Justin Bieber’s 'What Do You Mean', which secures an eighth stint as most streamed track of the week with over 2.51 million listens in the last seven days.

Canadian DJ and producer Sleepy Tom’s Diplo collaboration 'Be Right There' is this week’s highest climber, up 83 places to No.8.

Meanwhile, 2014 X Factor winner Ben Haenow scores a second Official Singles Chart Top 40 with his first single since winning the show, 'Second Hand Heart' feat. Kelly Clarkson (21), while Demi Lovato’s 'Cool For The Summer' (No.39) and Taylor Swift’s 'Wildest Dreams' (40) both re-enter the Official Singles Chart Top 40.

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Watch One Direction's music video for 'Perfect' here: