Who of the following would be considered a precursor to the modern director?

Following in the tradition of Copland and Gershwin, __________ blended popular and "serious" styles in his celebrated West Side Story

Fill in the blank(s) with the appropriate word(s).

A Happening is _____________.

a. a style of art that reveals the inner emotions of the artist b. the main contemporary art exhibition that occurs every other year c. a gallery reception for a new exhibition d. a theatrical event that encompasses the art experience e. a video installation