Mumford & Sons release new album trailer - watch
The clip, entitled The Troubled Boys School, was posted on the band's official website.
The 36-second long video cuts between scenes of a lively street party as well as its aftermath.
All four members of the band appear sat on a bench in suits alongside a horse at the end of the teaser.
Mumford & Sons are scheduled to release their new album, the follow-up to 2009's Sigh No More, on September 24.
Tracks on the album will reportedly include 'Below My Feet', 'Whispers In The Dark', 'Ghosts That We Knew' and 'Lover's Eyes'.
Keyboardist Ben Lovett recently promised fans that they haven't taken a new direction on the forthcoming collection.
Mumford & Sons will also release a tour film called Big Easy Express on July 24. The film is available now on iTunes.