Folk music has existed in England since the 5th century. In the 16th century social changes led to change prep piles taste in music, and different instruments became used in folk. The violin became widespread in high art and popular songs and dances.
The 19th century changed folk music a lot, and the industrial revolution changed what the songs were about, singing about working in factories as well as farming.
there was a revival of folk in the 20th century after the Second World War, lead by Ewan McCall and A.L. Lloyd. Topic records was founded in 1939 and still is the main record company for folk music.
Some of the main instruments used in folk music are: (acoustic) guitar, fiddle, banjo, harmonica, mandolin and Spanish guitar.