Actor Ji Chang Wook will sing his character's theme song for KBS's drama 'Healer'.

The production crew of 'Healer' has released some of the photos of the actor from the recording studio when he did the song recording on January 21st. He received much praise for his professional and earnest attitude despite having a hectic filming schedule, as well as for his outstanding singing skill.

A drama's rep said,"Thanks to Ji Chang Wook, who did his best without any sign of tireness despite the tight schedule, the song was able to complete successfully. Ji Chang Wook will surely touch the audience's hearts with his charming vocal ability".

The OST part 6 will be released early next month.