1970 - Before this timeperiod it was very common to record music from all over the world and collect a lot of folk songs. Many musicians travelled for fieldwork and record parts to get some inspiration for songs. 10 years later pop music markets had an appeal to "international" sounds, from fusion to exotic, from intercultural to cross-over songs. It brought a signature to sound in marketing and radio.
youtube.com/watch?v=HzKQfrNseo…