What was the name of the English artist who criticized society in order to stir people to humanitarian action?

In 1752 Johann Joachim Quantz published the definitive treatise on the playing of which instrument?

a) clavichord b) oboe c) violin d) flute

Briefly explain how the public’s conflation of a star’s artistic persona with his or her private personality affected the career of actress Ingrid Bergman

What will be an ideal response?