Trish, Just looked at Mumford's website nothing new on there since around September last year. But found this on Wikipedia,
On 20 September 2013, the band announced they were going on hiatus for a "considerable amount of time." In December 2013, the band's bassist, Ted Dwane, stated that the band would be meeting to write new music in February 2014.
So maybe a new album later this year. I liked first album, no so much last one. I think the problem is they became too big too quickly.
Glad you liked Blackbeard's Tea Party, here's another one