7 years ago, me and my family went to an amusement part named Everland. It is so popular in my country. We were in the front row to watch a dolphin show. It was so crowded with people who wanted to watch the show. At that time, my first son was still very young. He was only 5 years old. I took care of my daughter. Me and my wife didn't care of my son. When we entered the concert, me and my wife and my daughter just came in. When we sat down on our seats, at last, we found out that my son wasn't there. We were so surprised. We got so upset and worried. At once, we went out the concert hall to look for our son. We didn't find our son for a long time, 30 minutes later, we were able to find our son. He was crying because of nervous. When we found him, he got into watching game beside a video arcade game machine. After we found him, we got stable. We couldn't watch the dolphin concert, but we didn't feel sorry about missing that. I told him it doesn't matter. And then I gave him an ice cream. He recoved his mind. I think this is my memorable experience about a concert.