How you know a song is doing well: Its music video has 1.8 billion views on YouTube.

Case in point: Tones and I and "Dance Monkey."

The Australian star's global hit is still going very strong three years after its release.

Tones brings her world tour to Boston's House of Blues on Sunday, July 24. Enter below to win a pair of tickets.

Winners will be picked July 11-15.

The Most-Played Songs for Every Year of Fun 107's History

Fun 107 has played a lot of hits over the years, but what are the biggest ones? We put together a list of the hottest hit for each year of Fun 107's 32-year history – and some of them may surprise you. And if you can't remember the song or you just want to hear it again, click on the title of the track or the photo to see the music video.