“I WANNA KNOW” marks Zerobaseone Zhang Hao’s first-ever OST since debut, and is a medium-tempo track that blends acoustic guitar and elegant piano melodies. I Wanna Know is a new OST for the hit dating variety show “EXchange” (also known as “Transit Love”). The lyrics beautifully encapsulate the heart-fluttering excitement of wanting to know every little detail about the other person.

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View on Last.fm →More by Zhang Hao →EXchange3, Pt. 4 (Original Soundtrack) →