"O'pening: Flavor of Your Voice OST (목소리를 구분하는 방법 OST (O'pening))" is the original soundtrack for the tvN short television drama series O'pening: Flavor of Your Voice (also known as How to Distinguish Voices). It features Park Sun Yae, MRCH, and other various artists. It was released on July 9, 2022.
Label
Stone Music Entertainment