USA TODAY Just in time for her 31st birthday on Sunday, Taylor Swift has gifted fans with yet another surprise album. And what a bounty it is. "Evermore," out now, is the 10-time Grammy winner's ninth studio album and second this year after "Folklore," her retreat into fanciful fireside folk after three albums of boldfaced stadium pop. Coming less than six months after "Folklore," a songwriting masterclass that produced some of the best music of Swift's already prolific career, "Evermore" continues the ethos of its predecessor: twinkling piano, lush strings and plucked guitar, as Swift spi...