have you ever gone crazy at a concert?

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last day i was watching a live concert of U2 at you tube. the song was "one". it was so mind-blowing. in the middle of the song, bono took a girl from the front side to the stage. the girl was sooo excited that her heart beats were clearly seen. she was shaking like she was about to have a heart attack. they lied down the floor and sang the song together.. oh man you should really watch it! have you ever experienced something like that before? i mean you know those girls who yell at the top of their voice in the front seats, sometimes one of them leaps to the stage and holds the singer, bodyguards try to take her away.. have you ever done something like that?