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True, "Please Don't Go", "You & I" and "Kiss" were included on the To Anyone album but prior to that, they were promoted as official digital singles. Like I mentioned, the Gaon chart wasn't even around in 2009 when those singles were originally released so in this case, they're an exception. You can't even cite the information you provided on the Gaon website while I provided legit news sources. Again, please give the girls their due credit.