"Paradise Ranch" has been gaining momentum as one of the top Mon-Tues dramas, thanks to the lead actors TVXQ's Changmin and Lee Yeon Hee. Recently, another significant release was posted to attract more interest to the hot romantic comedy. On January 24th, an audio teaser for f(x)'s OST contribution, "You Are Hiding A Secret", was revealed. The girls perfectly captured the vibrant and lively atmosphere of "Paradise Ranch" through this soft, medium-tempo pop song. Check it out below! http://www.youtube.com/watch?v=WyPx51EUUzY Thanks to Jadeful for the tip.