On November 11th, Kim Bum Soo released a track titled "Don't Say" for the 3rd OST of SBS drama 'Deep Rooted Tree'. Kim Bum Soo worked with composer, Hwang Chan Hee, who he previously worked with for his title track "The Practical Usage of Sadness" on his 6th album. He also worked with Don Spike from MBC's 'I am a Singer', to bring another sad yet beautiful ballad. Hwang Chan Hee is known for his many hits such as Kim Jong Kook's "One Man" and K.Will's "Miss Miss and Miss". Check out "Don't Say" below and tell us what you think: Source + Image: melon