Ha Hyun Woo (Guckkasten) - Go Ahead (OST New Recruit 2 Part.1)
Ha Hyun Woo (Guckkasten) - 내 얘길 들어주오 (You Got A Minute?) (OST My Perfect Stranger Part.1)
Ha Hyun Woo (Guckkasten) - Be back (OST Divorce Attorney Shin Part.1)
Ha Hyun Woo (Guckkasten) - Fighter (OST Taxi Driver 2 Part.1)
Ha Hyun Woo (Guckkasten) - Show Down (OST Big Bet)
Ha Hyun Woo (Guckkasten) - Vagabond (Prod. by MAKTUB) (OST Vagabond Part.8)
Ha Hyun Woo (Guckkasten) - Vagabond (Prod. by MAKTUB) (Movie Still Ver.) (OST Vagabond Part.8)
Ha Hyun Woo (Guckkasten) - 나의 적 (My Enemy)
Ha Hyun Woo (Guckkasten) - Miserere
Ha Hyun Woo (Guckkasten) - 뿔 (Horn)