¿Por qué Jose Guerrero decia que siempre quería plasmar la energia en sus cuadros?

The trouble with poetry explain what collins says about the poet lawrence ferlinghetti

To make an etching the artist first coats the entire printing plate with an acid-resistant substance called a made from beeswax, asphalt, and other material. the artist then draws on the coated plate with an etching needle exposing the metal. next the plate is dipped in the plate is removed, the waxy coating removed, and the plate is cleaned, inked and printed.

Performer emphasizes a tone by playing it more loudly than the tones around it is called?