Ivy lent her beautiful voice to a powerful ballad, "Do You Know My Heart?", the latest addition to the 'Joseon Gunman' OST!

Her lilting, high-pitched voice suits the fragile beauty of the song tremendously as she goes from a soothing low to an emotional high throughout the song, wavering the hearts of all listeners.

SEE ALSO: Lee Jun Ki's starring drama 'Joseon Gunman' confirmed for 2-episode extension

Check it out above! �Meanwhile, the drama has been extended by two episodes for a total of twenty two, ending on September 4.