Not surprisingly, the underground music movement has inspired a cult following.

What do you consider the real beginning of the folk music movement in America?

Every music movement has its pioneers and its parasites.

Some went on to explore, in greater depth, the works of Leadbelly or Woody Guthrie, and joined the new folk music movement.

For a time, Phil Ochs was considered Bob Dylan's greatest rival for the crown atop the politicised folk music movement of the 1960s.

Adriani was, by then, regarded as a national star among the youth music movement, Jovem Guarda, but dismissed by more sophisticated audiences as tacky.

Emma Kirkby, who became the soprano queen of the early music movement in 1970s Britain, recorded this recital in Forde Abbey in Dorset in 1985.

Ultimately, the staying power of pop music movements over the last century has been built on fusing a new sound with a great song.