Drag me Down One Direction

So one direction have pre released a new song Drag Me Down. This is their 1at song post Zayn leaving the band. Official download date is the 7th August. However you can hear the full song on iTunes or spotify now. Wanna watch the song performed then check this link http://m.digitalspy.co.uk/music/news/a661277/one-direction-surprise-fans-by-performing-new-single-drag-me-down-on-the-day-of-its-release.html#~pk90ttXA4evOwy