The last time we heard from Mystery Jets was via Florence And The Machine's cover of Twenty One's "Flakes." That was a long time ago. The English quintet's about to release their third album Serotonin. You'll find "Dreaming Of Another World" on it. This is the song's classy, vintage, romantically/socially complicated/entwined video. [videoembed size="full_width" alignment="center"][/videoembed] Serotonin is out 6/5 via ...