Complex sentence: Upon the release of "Stars Dance", "Birthday" charted on the US Bubbling Under Hot 100 Singles at number 12 and on the South Korea Gaon International Chart at number 191, due to strong digital downloads.
Split into simpler sentences: Upon the release of "Stars Dance", "Birthday" charted on the US Bubbling Under Hot 100 Singles at number 12. The song charted on the South Korea Gaon International Chart at number 191, due to strong digital downloads.