Jang Jae-in's  OST "Auditory Hallucination" from the MBC drama "Kill Me, Heal Me" has been receiving a lot of attention lately. 

The song features the rapper, NaShow, and displays great synergy between the two artists.

The sorrowful OST was composed, arranged, and also written by ZigZagNote.

Jang Jae-in is a singer and songwriter who is known for ranking third place in Mnet's Superstar K2.  She is currently represented by Mystic89. 

The song, "Auditory Hallucination," was released on January 14.  It can be heard on Wednesdays and Thursdays when the drama "Kill Me, Heal Me" airs.