“Red Light” by f(x) reenters So Casual 100™ at #86.

So Casual 100™: #86(re) Red Light, f(x) [15 weeks]. *peak: #5*

“Red Light” by f(x) reenters inside the top 50 of So Casual 100™ at #47.

So Casual 100™: #47(re) Red Light, f(x) [14 weeks]. *peak: #5*

“Red Light” by f(x) spends its 10th week in So Casual 100™ this week.

So Casual 100™: #36(-4) Red Light, f(x) [10 weeks]. *peak: #5*

“Red Light” by f(x) reenters inside the top 10 of So Casual 100™ at #9.

So Casual 100™: #9(re) Red Light, f(x) [6 weeks]. *peak: #5*

“Red Light” by f(x) reenters inside the top 5 of So Casual 100™ at #5.

So Casual 100™: #5(re) Red Light, f(x) [3 weeks]. *new peak*

“Red Light” by f(x) reenters inside the top 50 of So Casual 100™ at #46.

So Casual 100™: #46(re) Red Light, f(x) [2 weeks]. *new peak*

“Red Light” by f(x) debuts at #81 in So Casual 100™.

So Casual 100™: #81(re) Red Light, f(x) [1 weeks]. *new peak*