Rapmon: just broke the karaoke bar's sofa he was jumping on, while turning up & singing along at the back

Jin: the one who enters the song's code on the karaoke machine, snack buyer

Suga: seriously squinting  while choosing a song from the songbook

V: running around the karaoke bar while stealing some snacks and turning up infront of the tv

Jimin: who mostly owns the mic while passionately sings like no one could stop him

Jhope: background dancer of the the singer, making inaudible noise

Jungkook: seating at the corner while destructing the singer with his adlibs