British pop singers have been imitating american pronunciations since cliff richards , the beatles , and the rolling stones began recording in the 1960s .
As daniel brebner of deutsche bank points out , that is considerably more than the annual capacity of richards bay in south africa or newcastle in australia , the world 's biggest coal ports .
Although seismologist xiaodong song acknowledged the mystery is really a complicated problem , he and fellow seismologist paul richards have managed to unravel it .