The combination of industry and cultures , jazz , blues , and rock and roll led to an outpouring of musical creativity in the 20th century , including new music genres such as the Motown Sound and techno from LOCATION@1 and house music from LOCATION@2 .

The mix of industry and cultures in those cities led to new types of music in the 20th century in the LOCATION@3 , including jazz , blues , rock and roll .
