The Most Meme Song of All Time

"Apparently This Matters" is CNN Radio's weekly, offbeat look at pop culture. Jarrett Bellini tackles songs that have been loved and then hated and then loved again. Who Let the Dogs Out? Is Rick Asley's Never Going to Give You Up a meme song of all time? And what about Lou Bega's Mambo Number Five? "I might agree with you on one of them," says host Jarrett Bellini.