Mumford & Sons' Mysterious New Album Teaser

Whaaaa??
Folk rock gawds, Mumford & Sons, have just released this mysterious teaser for their second album, The Troubled Boys School.
It’s a…. well… hard to draw conclusions from.
PresSsSs PlaaYYY for the tease (above)! And CLICK HERE to see Mumford & Sons board The Big Easy Express in their rock doc!