The band were joined by members of My Morning Jacket and The War on Drugs, plus 'The Office' actor Ed Helms
The band released the rockier album 'Wilder Mind' during May
Sam Smith is at Number 2 with 'In The Lonely Hour'
'The Magic Whip' spent just a week at Number 1
The singer tells anecdotes of strangers sharing their views on the group
New entries also come from JME, Palma Violets and Django Django
The band's new album 'Wilder Mind' comes out next week (May 4)
"If I'd known, I would have wanted to call it anything other than my last name," frontman says
Fans will be asked to leave their phones at the door of venue
Mumford & Sons singer is learning to 'chop up beats' with producer 88-Keys