The correct answer is C. Spent much of his career teaching music at an orphanage.
Explanation
Antonio Lucio Vivaldi (1678-1741) was an Italian composer, violinist, and teacher of the Baroque era, being one of the most popular throughout Europe and one of the main influences of the also classical music composer Johann Sebastian Bach.
At the age of 25, he entered to work as a violin teacher in an orphanage called Ospedale Della Pietà and lasted there for the next thirty years. During this time Vivaldi composed most of his most important works. So the correct answer is C. Spent much of his career teaching music at an orphanage.
(Wagner's) goal was a new type of stage work that should carry dramatic conviction through music.... Out of the application of his theories arose...the new place of dominance in opera given to the orchestra.... It was not a symphonic ensemble that existed for the creation of musical beauty in terms of form. It was not an accompaniment for a drama. It was the drama
