Se llama "estrofa-coro" mode
Grunge is like hard rock and punk, although I'm not a fan. Oasis is more along the lines of "Britpop" or rock, but I wouldn't say grunge. Oasis would be your best pick for the second half of your question.
It was built around the year of 3100 BC and they are known as the WIndmill hill people or something like that
The section of a concerto where the performer can show off his or her skills is called the cadenza
