EXO recently performed at the Dream Concert in Seoul... & EXO-L's could be heard loud and clear outside the venue!
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26 May 2015 - 2:41 PM  UPDATED 26 May 2015 - 3:05 PM

EXO performed "Call Me Baby" & "Growl" to a sea of screaming and light stick waving fans (EXO-Ls) at this year's Dream Concert. They were so loud they could be heard performing their fan chant in perfect time from outside the stadium. 

Have a listen:

 Here is a fan-cam of the performance: