Summary: We're developing a conspiracy theory that the Great Wall was really designed to act as a two-way non-permeable culture membrane. Because while it manages to keep an enormous amount of foreign music from getting into China, it also tends to trap what little amount trickles in, amplifying seemingly random musicians into Asian megastars and ricocheting their work around the country until it pervades everything from banking telephone hotlines to railways to practically every handheld device with an audio-out function.
