Music trends: from regional to global

Understanding a music trend implies a complex process of getting back to its origins and tracing evolution from a local level to a global one. On a broader scope, popular music trends often reflect a regional sound, practice or music scene – we’ve seen with punk rock, post-rock, hip-hop and such. Now, as music trends ebb and flow further and further away from the anglo-saxophone roots, how does a music trend thrive and goes from regional to global?