Which element is described by words such as bright, dark, and mellow?

In contour drawings crossing lines is one way to indicate this

Why were staff lines an important improvement to musical notation a. sl indicated rhythm b. sl indicated dynamics c. sl indicated pitch d. sl indicated meter

Identify the 19th-20th century art movement that embraced the machine and industrial elements and stemmed from art movement such as cubism. 1. arts and crafts 2. art nouveau 3.art deco (correct answer) 4. neoclassical