The World On arirang

A portmanteau created by combining "yesterday" and "today," this song describes the regrets one feels about the past and the fact that everyone will soon pass.

This is a song about transitioning from a girl to a woman and reminiscing about first love. The hip hop elements and music sampling in the chorus stand out.

This is a song from JBJ95 formed by Sanggyun and Kenta who have vowed to always think about their fans and remember their initial resolve. "Spark" describes the sparks that fly when two people fall in love with each other.

The music was composed by the hit maker, Yoon Jong-shin, who was inspired to write it on a beautiful, clear day without any dust in the sky.

The members of TWICE have embarked on a journey to find love, under the radiant sun and beautiful clouds, and they confess that they'll never, ever let go of the love they find.

This is a dance ballad song with a combination of R&B and dance music in medium tempo. The sad melody blends beautifully with the emotive vocals of the vocalist of Highlight.