The OST, "Back In Time", from the drama 'The Moon that Embraces the Sun' has been sweeping online music charts.

"Back in Time", performed by Lyn,�has been�ranked number on popular music sites such as Olleh Music, Mel0n, and Naver since the 27th of this month. It is currently ahead of other popular songs such as T-ara's "Lovey Dovey", B2st's "I Knew it", IU's "You and I" and more.

The drama has also been�doing well�on viewer ratings as it hit a high 30% by the eighth episode. A representative from the music chart KT Music stated, "Because of the increasing popularity of dramas, the popularity of idol stars are decreasing. These ("The Moon that Embraces the Sun") OST's have been ranking at least top ten on every online music chart."

Source + image via Nate