In musical notation, what is the name of the clef used for most higher notes?

Opera combines music with which of the following

Which artist is often considered the leader of the hudson river school and poignantly set up contrast between the cultivated east and the wild west in the united states?

Why do you think there is so much controversy over whether figures are allowed in islamic art? some say they are as long as it is not idolatry, while others say it is prohibited? what is your opinion on the subject? explain your answer.