Joony teases the trio's while watching their performance on the rooftop.  Suggesting they should try to be more like the famed street dancer, Chinu 
Dance lesson.
‫درس رقص.
Tanzunterricht~
¿Nos enseñarás?
¿Nos enseñarás?
Des cours de danse !
Lezioni di ballo...
Aula de dança...
Проведи урок.