Opening
K-MUCH (December 24)
This song is characterized by a fantastic drum beat, sweet and gentle vocals of K-MUCH and an acoustic guitar sound. It describes the pain of breaking up with one's significant other on Christmas Eve.

K-pop 24/7
4minute (Crazy)
This is one of the double title tracks of 4minute's 6th mini album of the same name. It has an intense and rapid trap beat, and the members project a tough and charismatic image with their powerful rap and vocals. The repetitive chorus with the lyrics, "As if I am crazy," is especially addictive.

Once at One
Song Ji-eun (Going Crazy (feat. Bang Yong-guk))
This is the title track of Song Ji-eun's digital single album of the same name. Song Ji-eun shows a shocking transformation as a solo artist through this piece. The obsession and possessiveness about one's partner is amplified through her sorrowful vocals, which blends beautifully with the rookie rapper, Bang Yong-guk's rap.

Closing
JONGHYUN (Crazy (Guilty Pleasure))
This is the title track of JONGHYUN's first mini album, "BASE." It's a medium-tempo retro pop song with neo soul and funk influences. It features Iron who perfected the song with his amazing rap, and the lyrics about guilty pleasures will catch your ears.