Marcus Mumford, American-English singer-songwriter

Marcus Oliver Johnstone Mumford is a British and American singer, songwriter, musician, and record producer. He is best known as the lead singer of the folk band Mumford & Sons. He also plays a number of instruments with the group, including guitar, drums and mandolin.

January 31 is the 31st day of the year in the Gregorian calendar; 334 days remain until the end of the year.