Hey, I Recognize That Tune... Jason Squires/WireImage/Getty Images Singer Carly Rae Jepsen performs at Sprint Center on October 26, 2012 in Kansas City, Missouri. As with any other art form, there's almost always at least some element of borrowing in the songwriting process. There are, after all, only so many chords. But some derivations are more obvious than others. From Led Zeppelin to George Harrison to Madonna, even our most treasured artists have acknowledged the debts some of their songs owe to others" writings. And as we see with the current fight over "Good Time," history continues to repeat. Here we present some of the most notorious pop-music plagiarism allegations. Next Owl City and Carly Rae Jepsen, "Good Time"