On May 30, Baek A Yeon was interviewed about her new mini album Bittersweet, and she shared her experience recording at both JYPs and Antenna Musics headquarters.
The fourth track on her new album, Magic Girl, was composed, written, and arranged by Peppertoness Shin Jae Pyung, who is part of Antenna Music. Baek A Yeon revealed that she recorded the songs demo at Antenna Musics headquarters, describing the place as bright yellow and cozy. She explained that it had a different atmosphere from JYP, saying, [At JYP], its always bright, no matter what time of the day it is. Its not necessarily an uplifting atmosphere; its just that the lighting is bright.