There are more than one words that could fit here
Club - Self-describing, it's the same in spanish
"a la discoteca" - Discoteca is that, a disco, a place for dancing and listening to music
Concierto - A concert
I could probably think of more, but I guess you have enough there. Choose the one you like best
1. Estoy
2. Estamos
3. Estáis
4. Está
5. Están
The second answer is el Tigre
Third answer is la iguana and not sure which one is the first hope this helps you