Goodbye Baby may refer to:
A Class is the first studio album by South Korean-Chinese girl group Miss A. The album was released on July 18, 2011, and contains thirteen songs. It contained six singles, including the award-winning "Bad Girl Good Girl".
Bad But Good, a four-song EP, was released on July 1, 2010, and contained four songs. The EP included "Love Again" ("다시 사랑") and "Bad Girl Good Girl", which served as Miss A's first and second singles, released on June 30 and July 1, 2010, respectively. These two tracks plus album track "Break It" were later included on A Class The track "Looking At Each Other" ("딱 마주쳐)" was not included. The group had their debut performance on July 1, 2010, with "Bad Girl Good Girl" on M.net M! Countdown.
A second four-track EP, Step Up, was released on September 27, 2010. Its track "Breathe" was used as the promotional single, and all the songs were later added to A Class. The "Breathe" music video shows the Miss A members dancing in a room with stripes of various colors. The members are also shown standing around a large cannon from which member Jia is about to be fired.
B I G B A N G 03 also known as Third Single Album (Hangul: 싱글앨범 3집) is the third single by the South Korean hip hop boy band Big Bang released under YG Entertainment, released two months after their second single. Like its two predecessors, it was able to chart for a long time before it dropped from the monthly chart.