If the doomsayers are correct, something monumental\u2013something transformative\u2013is going to happen on December 21, 2012...this is the day the\xa0b\u2019ak\u2019tun\xa0cycle ends...\nThe Mayan long count calendar runs out...after 5,125 years, it comes to an end date...what will happen next is up for debate...\nIt could be the end of the world...Earth may collide with Nibiru, its long-hidden nemesis planet...some say a black hole may swallow us up...a catastrophic shift in the polar magnetic fields...\nOthers believe we will achieve some kind of spiritual enlightenment, which will usher humankind into a new era of peace...\nOr maybe nothing will happen...okay, so maybe we\u2019ll get another bad John Cusack movie on the subject...that\u2019s not good and the prospect is admittedly frightening\u2013but it\u2019s just a movie...\nHistory has shown that humans are really, really bad at predicting the apocalypse with any degree of certainty...\nI, however, have another theory...I believe that there may be a fundamental shift on planet earth around the time of December 21, 2012...and it has to do with rock music...\nNo, no\u2013stay with me on this...I\u2019m not crazy...or at least, I might not be...I hope not...\nThis is the fifteenth and final chapter of a series I call \u201cthe complete history of alt-rock\u201d...\nLearn more about your ad choices. Visit megaphone.fm/adchoices