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?
¿Clases de baile?
¿Clases de baile?
Des cours, hein ?
Lezioni di ballo?
Aula de dança?
Провести урок?