This is the title track of IZ's second mini album. It's a crossover song with a great fusion of electronic and rock music elements. The members show their talents and individuality through their vocals, rap and performances. The feelings often experienced by teenage boys are portrayed realistically in this song.

This is the lead track of UNB's first mini album, "BOYHOOD." It's an EDM track with elements of R&B, where the members vow to awaken and please the senses of their listeners and fill their hearts with UNB. The emotional and powerful music and the members' sexiness stand out.

This is a down-tempo song with a bouncy sound and a hip hop beat. It describes a woman who suffer from sleepless nights because of her boyfriend. The emotion-tugging vocals blend well with the sweet guitar line and chorus to convey the emotions described in the song.

This is the title track of Ryeowook's first solo album. It's a ballad song inspired by the novella of the same name authored by Antoine de Saint-Exupery. It's about a man who talks to the Little Prince about his heartache, and Ryeowook's sensuous vocals will tug at your heartstrings.