Jung Ryeo-won acted in the television drama Saxophone  [ko], Eun worked as a video jockey for a KMTV music program, and Hwangbo appeared as a panelist in various variety shows.

[1] The medium tempo song features a string section backed by a 24-person orchestra, as well as violin by Eugene Park.

[2] The members chose "Come Back" as the lead single to "shake off the perception that dance singers can't sing".

[1] The music video for "Come Back" was filmed at the Hard Rock Beach Hotel in Pattaya, and was sponsored by the Tourism Authority of Thailand.

"Da", described by the Chosun Ilbo as a "Chakra-style dance track," is a fusion of Indian instruments and percussion with K-pop melodies.