Talented soloist Fat Cat is featured in the OST for the�MBC drama 'Queen of Ambition'.

"Tears Rain" is the fourth OST to be released for 'Queen of Ambition' after�Kim Nam Gil's "You Don't Know",�Ailee's "Ice Flower" and�Lee Jin Sung of the�Monday Kiz' "I Love You I Hate You". The 'luxury ballad' will serve as the theme for�Kwon Sang Woo's character.

Watch the touching music video below: