Dbsg on the radio..then they burst out laughing

it's pretty funny...they like are listing to this one rap or something and then they say something weird...then 4 of them (not hero) start laughing xiah is like coughing into the mic. and yoochun is like up and choking because he is eating something...it's halirous! o_O very cute oh in the end...yuhno teaches a dance...i don't know for what song though...this is a very cute clip. ^^