How did radio and the phonograph affect the practice of folk dancing?

The advent of the radio and the phonograph significantly altered the landscape of Western dance, leading to a decline in the regions where genuine folk dancing was practiced as social dancing spread. As these new technologies facilitated the dissemination of popular music, traditional folk dance—which had historically been tied to specific local communities and oral traditions—faced the threat of extinction in many industrial nations.12

The use of recordings also fundamentally changed the practice of folk dancing in the following ways:

• Codification: Because early recordings were typically limited to three minutes in length, they imposed new time restrictions on performances.3
• Standardization: The use of unchanging recorded music meant that dances became codified and static, losing the flexibility often found in traditional, live-music settings.3
• Preservation Efforts: In response to these pressures, various societies and councils were established in Europe and the Americas to preserve traditional dances. Additionally, some educators used recordings to teach dances from around the world, allowing them to be performed even when live musicians were unavailable.13