Amazon today revealed its best-selling albums and songs of all time. Still, the lists provide an interesting peek at pop culture trends and which songs and CDs Amazons customers have flocked to — for better or worse. Carly Rae Jepsens Call Me Maybe is the most popular MP3 of all time. She appears in a top 10 list thats dominated by newer acts including The Lumineers, Fun (who appear twice), Psy, and Gotye.