I live in Hawaii. Why this matters is the way standard license plates are on the cars: they're typically three letters, a space, then three numbers (or the reverse; either way it's "AAA ###" or "### AAA", with the "BUS" letter combination being reserved for busses only, interestingly enough).
Some of you may already see where this is going, but as I was going past the bank today I noticed a car whose letter combination was "PCB" (don't remember the number combination that followed, unfortunately). No guesses necessary as to what flashed in my mind besides the tune of 'Diao ze Yong'.
I've also seen in the past month a car with the "666" number combination and had 'Septette for the Dead Princess' playing in my mind the rest of the excursion.