A band that tries way too hard to sound 19th century Irish. Like Murphy's Oil Soap, the band has a name that your father recognizes but has never knew was a band. A typical British band that overplays their accent to break through the music (typically you can't hear British accents in songs). A bunch of 40 year olds acting like they're from some obscure town in Northern England 1858.
Pimple-faced teenage who works at McDonalds: "Hey Dad, can I have a few bucks for Mumford and Sons"?
Angry Father in a white t-shirt washing his car: "Sure, son. Just make sure you get you get the largest bottle you can. I need these tires to SHINE!"