"It Hurts (Slow)" (Korean: "아파 (Slow)"; Apa (Slow), often simply referred to as "It Hurts") is a song by South Korean girl group 2NE1, from their debut album To Anyone. The song was produced by e.knock and Sunwoo Jung-a. The song was released as the seventh single from the album. It was first performed on October 31, 2010, with a music video releasing later that night. The song was praised highly for its unique sound. The song also serves as the B-side to the group's Japanese debut single, "Go Away".