Annoying people at a concert

Answers

1. They start clapping as soon as the performance ends. It’s better to be a first clapper than clap too soon.
2. Attention seekers.
3. Having a good view, so having a good seat.
4. People who start standing ovations.
5. Taggies are people who are more focussed on recording the show than actually enjoy it.
6. He is probably a taggy because he takes pictures and posts them to his Instagram.