Park Ki-young, Big Mama, Ailee, Parc Jae-jung, Lee Mu-jin

Knowing Singers This week, some legendary singers spanning various generations join Men on a Mission. From Bigmama, the group that has perfect harmony and members who are all professors, to Lee Mu Jin, the young singing sensation, as well as Park Ki Young, Park Jae Jung, and Ailee, this episode is full of amazing performances and interesting stories.