This is the banjo solo that is played throughout most of the song:
s= slide
h= hammer
[ Tab from: http://www.guitaretab.com/m/mumford-and-sons/332547.html ]
e----------------------------------------------------------|
B------7----8--7------8s10--8--7---------------------------|
G-7h9----9-------9--7------------9--7--7-7-7-7-7-7-7-7-----|
D----------------------------------------------------------|
A----------------------------------------------------------|
E----------------------------------------------------------|