The ultimate list of "Average performance hours of K-POP idol group concert":

EXO－2hrs
2NE1－2hrs
Block B－2hrs ~ 2 & 1/2 hrs
TEEN TOP－2hrs ~ 2 & 1/2 hrs
VIXX－2 hrs 20 minutes ～2 hrs 30 minutes
IU－2 & 1/2 hrs
INFINITE－2 & 1/2 hrs ~ 3hrs
BIGBANG－2hrs ～3hrs
B.A.P－2hrs ～3hrs
B1A4－2hrs ～3hrs
Girls' Generation－2 & 1/2 hrs ~ 3hrs
SHINee－3hrs
BEAST－3hrs
TVXQ－3hrs～4hrs
SUPER JUNIOR－3 & 1/2 hrs ～4 & 1/2 hrs

Netizens reacted "Wow SUPER JUNIOR!", "Suju, they do not allow us to go home!", "IU is two and a half hours alone?!"