It would most likely be A. Classical music was generally improvised at each live performance
Relief printing is done by outlining an image on a surface, and then carving along the outline. The artist then applies the raised areas with ink, to be pressed on to a surface. Intaglio is sort of the opposite of relief printing, in that the ink is pushed into the lines and pits and wiped off the surface of the plate. The resulting image comes from the ink in the engraved or etched lines. The resulting image is reversed.
Microphones. As communities grew and gatherings became larger, the challenge was to create a device that would allow everyone to hear the performers.
Strip lights Compartmentalized floodlights set up so as to
allow color mixing Low voltage and strip lights are commonly used as light
curtains and for color washes. It is also Known in the UK as a batten. It is
usually seen at the behind the actors backstage.
The answer is all of the above
