Answer:
Shift from optical-art to construct-painting
Explanation:
The shift from painting "what one sees" to a painting of "what one thinks about what one sees" describes shift from optical-art to construct-painting.
So the viewer knows what the subject is
Answer:
The earliest notated European music was Gregorian Chant. This was a monophonic form of music with all folks contributing their vocal music in 'one voice'. The oldest evidence of this notation comes from around the year 850 and was called the Musica Disciplina of Aurelian of Reome.
Explanation:
The answer is humor! It’s been shown it helps with all of those mentioned benefits :)