Concepts of cultural diffusion used to explain rock ’n’ roll. Culture hearths Diffusion modes Carriers Barriers Culture change

Culture hearths are hotbeds for culture trait development.. Inca Mayan

A culture hearth is a crossroads where ideas are exchanged and culture traits developed.

Diffusion moves culture traits from hearths to other places. Triangle Trade

Over time, some culture hearths may decline as new ones ascend.

Diffusion modes Relocation diffusion Expansion diffusion Hierarchical Contagious

Relocation diffusion occurs when people move to a new location and do not return. Music was one African culture trait to survive the slave trade.

Expansion diffusion moves traits to a new place where they are introduced to new people and expanded. Mississippi Delta Blues The Blues Chicago Blues

Expansion diffusion can be hierarchical and move from higher to lower ranked places. Paris New York City Minneapolis/St. Paul Diffusion of fashion

Expansion diffusion can be contagious as it spreads from a central point. New York City Nashville - WLAC Music diffusion Memphis, Tenn.

Carriers Carriers move culture traits.

Human migration, trade and travel have been the most common carriers. Human Migration Trade Travel

Technological advances impact the scope and speed of diffusion. 45 rpm records Transistor radio 8 Track Tape Cassette tapes CD’s Internet downloads mp3 players Networking sites 33 1/3 rpm records

Barriers block diffusion. Geographic barriers Cultural barriers

Physical features Distance and accessibility: “Backwoods is backwards.” Geographic barriers stop or slow down cultural diffusion.

Cultural barriers stop or alter diffused culture traits. Religious Political

Cultural barriers stop or alter diffused culture traits. Social

Culture change takes place when traits are adopted, adapted or imposed. Korea China Rock ’n’ Roll On The New Long March Saudi Arabia