Srowing up, she says she saw plenty of women playing guitar in folk and rock groups, but little in the way of jazz guitar.

NPR: Mary Halvorson: Unorthodox, Jagged Jazz Guitar

Meanwhile in the UK, the punk movement took on the mantle of political protest from its folk and rock forebears, with groups such as The Clash criticizing racial disharmony in British society.

CNN: The Spirit of Music: Is the protest over?

Fast forwarding a century to our own Great Recession and its corresponding groups of newly impoverished and dejected folk, one wonders what Conwell might have said to the ones who have come to participate in, or sympathize with, the Occupy Wall Street movement.

FORBES: Acres Of Diamonds Occupy Wall Street

The festival peaks on Whitsunday (19 May) with a street parade, which features colourful dance groups from Korea and Japan, trucks blaring music from Brazil and Angola, plus Irish folk, Jamaican dancehall, Caribbean soca and more.

BBC: Berlin��s Carnival of Cultures