Singer Ailee will join "Full House Take 2" OST Part. 1.

The first part of the drama's OST, which was released on Monday, Ailee contributed a song called, "First Feelings of Love,'" and showed off her incredible vocal skills. She proved that she deserves all the positive reviews she has been getting about her singing. The new ballad was heightened by her very controlled yet stable voice.

The song was written by Oh Jun Sung and Eun Jong Tae. Oh Jun Sung had been the music supervisor for many dramas including "Flowers Over Boys," "Great Doctor," "City Hunger," and "My Girl." He was even invited to hold a concert in Japan and Singapore and is definitely one of the emerging musical directors.

Because this drama is the first in history to be broadcast simultaneously in Korea and in Japan, it is definitely poised to become one of the key players in the Korean culture wave.