Last year, Gotye and Kimbra's "Somebody That I Used to Know" and Carly Rae Jepsen's "Call Me Maybe" topped the charts, dominated iTunes and broke records as each track appeared nearly everywhere for months. This time a year ago, both tracks were clearly leading the pack. In 2013, however, the jury is still out. But perhaps that's a good thing!
Share your thoughts below. The provided nominees are based on current blog buzz and chart performance.
The poll is now closed.