 "Lip & Hip" was written by Hyuna, Scott, Big Sancho and Son Young-jin, and produced by the latter two.It was described by "Billboard" as a dance track that features prominent EDM and hip hop beats to "relay the rapper’s impish tone while the chorus is driven by a clapping beat beneath Hyuna's singing".On November 21, Cube revealed that the singer would be releasing a new song on December 4, adding that music programs appearances were still in discussion.