MAMAMOO's Whee In is the voice behind "Melody" for the 'Gongzza' OST.

In the music video, Kim Ji Won and Lee Il Joon's characters slowly kindle their romance. "Melody" is about a melody that lives in your memories and causes you to reminisce of someone from the past.

Listen to Whee In's "Melody" above, and let us know what you think in the comments below.