Which instrument is playing the melody?

Which of these decadent and mystical artists helped inspire a movement called l'art pour l'art — "art for art's sake"— with morbidly erotic poetry?

a. Claude Monet b. Richard Wagner c. Gustave Courbet d. Charles Baudelaire

During the 19th century, the concert hall came about mainly because

A) people could no longer hear music in their churches. B) people were tired of court concerts. C) democratization brought about larger audiences. D) there were more composers.