A lot of the regional differences in the data are pretty expected: New Jersey is really into Bruce Springsteen's "Born to Run," now and forever. California knows how to party to "California Love" by 2Pac. West Virginia DJ Doc Vincent told The Post that "99.9%" of the weddings he does end with John Denver's "Take Me Home, Country Roads." "It's the unofficial theme song of West Virginia," he said. "The same thing happens: Last song of the night, the bride and groom go to the middle, everyone gathers around them, and they sing 'Country Roads.'"