Surprise! A new Coldplay song. And video. But mostly a song — pressumably off their upcoming sixth album — but that remains unconfirmed. “Midnight” is a hazy shade of Imogen Heap meets Bon Iver, and it’s completely different from the band’s last album, 2011’s Mylo Xyloto, which rang with Chris Martin’s clear vocals and a series of vocal chants. Will Coldplay go full minimal, or is this just an topical wintertime ballad? Brr.