It features mid tempo dance title track "Let It Go" which features rap by Hyuna of girl group 4minute, fast pace dance track "Out The Club" featuring Tae wan and R&B track "Rainy Heart", which features fellow member Kim Kyu Jong.
It features mid tempo title dance track "Let It Go" which features rap by Hyuna of girl group 4minute, fast pace dance track "Out The Club" featuring Tae wan and composed by Drew Ryan Scott. The R&B track "Rainy Heart", features fellow member Kim Kyu Jong.