Which artist invented the Paint Streaming Instrument to make art?

The Calling of Saint Matthew (fig. 15.32) by Caravaggio illustrates a new concept for religious art which was __________

A. a palette that included only dark colors B. a focus on real people as the subjects C. the use of light as an element D. using scenes from the gospels

The very first musical happened when a melodrama was combined with Parisian ballet dancers. What happened to make this possible?

What will be an ideal response?