Can cause a person in, its altered state, to see colors and hear sounds.

The question is asking us to fill in the gap in the following sentence: (Gap) can cause a person in its altered state, to see colors and hear sounds. This means that the person is seeing or hearing things that are not there, but which are constructed by the action of their brain. One substance that has this effect are hallucinogens - for example certain drugs are hallucinogenic.

Trumpets, saxophone, trombone, flute, french horn  mostly in jazz or classic.  you can answer the rest thats on your own honestly 

Answertheatre had an unsavory reputation london authorities refused to allow plays within the city, so theatres opened across the thames in southwark, outside the authority of the city administration