The answer to question number two, constant groove, fractured bass lines, and a busy horn section, is JAZZ
Given this definition, it is reasonable that the quantity frequency would have units of cycles/second, waves/second, vibrations/second, or something/second. Another unit for frequency is the Hertz (abbreviated Hz) where 1 Hz is equivalent to 1 cycle/second.
D.) Cycles per second
Jacques-Louis David was a 19th century painter who is considered to be the principal proponent of the Neoclassical style, which moved art briskly away from the previous Rococo period. His most famous works include "The Death of Marat" and "Napoleon Crossing the Alps."
I'd say D. You'd appreciate art more if you understood where the artist is coming from.
