Saw this on the Korg Forum site, thought they look classy indeed.
https://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0ahUKEwixlou16JrXAhXEipQKHSIOA4IQjRwIBw&url=http%3A%2F%2Fkeyszone.boards.net%2Fthread%2F438%2Fkorg-pa4x-deluxe&psig=AOvVaw0G0msdYMv6kVEqqK9WFmxy&ust=1509537728133932

Allan taz
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The problem is not the problem...The problem is your attitude to the problem.