Which composer invented the "gesamtkunstwerk" or "total work of art"? a)berlioz b)paganini c)wagner d)liszt

The correct answer is C: Richard Wagner
"Gesamtkunstwerk" was a work of art translated as "total art" which makes use of all or many art forms to do so. Richard Wagner used the term in two essays in 1849, and the word has been associated with his aesthetic ideals.

What it's saying is that colored pieces of canvases is a piece of art

Howard ruffo  makes the reader feel that ellery has misidentified who is responsible for committing the crime and will end up feeling embarrassed.