See below (yes it says "next week", but that's now this week so don't you panic):
Single next month and album in April — thanks Charli! Bit of PC Music influence, not too much PC Music influence — thanks Charles! Some nods to the first two albums but plenty we haven't heard before — thanks Charlotte! Massive choruses but left-of-centre lyrics — thanks Ch(YES THAT'S ENOUGH OF THAT THANKS — ED)