Having, reflecting, or being compatible with the prevailing attitudes and values of a society or group

What are these people doing?

Unofficial and independent visual art created in public locations for public visibility.

(Of a performance) broadcast, recorded, or seen while it is happening

Music, TV, cinema, books, etc. that are popular and enjoyed by ordinary people, rather than experts or very educated people. Modern popular culture transmitted via the mass media and aimed particularly at younger people.

Being one of the best that there are of that type in the world

The way in which the structural characteristics of a place relate to how well sound can be heard in it. Always plural

The place where a public event or meeting happens

(Of a performance) broadcast, recorded, or seen while it is happening

A piece of writing that is intended to be acted in a theatre or on radio or television

To take the first steps, as in life, one's career, etc

What's this?

A time when all the people involved in a play, dance, etc. practise in order to prepare for a performance