I'm a bit disappointed by this to be honest. I love most of Calvin Harris' other music (eg. 'I'm not alone', 'Girls' 'Flashback', 'Feel So Close', 'We Found Love') but this sounds a lot more like the generic 'dance/dj act + r&b/pop act' songs that come out a lot these days. I do like artists like David Guetta (particularly his songs 'When Love Takes Over' and 'Titanium') but I think he's partly responsible for this trend too!
Disappointed to hear that Calvin Harris isn't going to sing on his tracks anymore as I thought his voice wasn't too bad and it was something that would have helped distinguish him from this generic dance + pop music around now.