I KNOW I've heard it on another drama, but can't recall which. Anyone?

These are the ones I've seen:

1. The Tower of Whispers

2. Money Is Coming

3. Love Me, Love My Voice

4. Echoes of the Self

5. When I Fly Towards You

6. Falling Into Your Smile

7. Destined

8. Meet Yourself

9. The Untamed

10. Hidden Love

11. Fireworks of My Heart

12. Love Between Lines

13. The Prisoner of Beauty

14. Reset

15. A Familiar Stranger

16. The Best Thing

17. Legend of The Female General

18. Miss S

19. You Are My Hero