Who created the symphonic poem?

Wagner
Mendelssohn
Liszt
Brahms

Which of the following describes the multimedia era? a. an era in which artists created works using paint software such as photoshop, without actually programming. b. an era of interactive technology where 3d computer graphics were used to create a virtual environment. c. an era in which most of the computer art work centered around computer programming. this is for plato .