Why did Bach compose the Orgelbüchlein?

a. To provide organists with a repertory of pieces to play in church.
b. All of these choices.
c. To demonstrate how to compose a chorale prelude by providing numerousexamples

"Baker-Miller" refers to the color that:

A. recedes in a monochromatic color scheme where pure red dominates. B. results from combining a warm red with a cooler hue. C. seemed to calm and relax violent children in studies of colors' effects upon the mind and body. D. is the normal value of red. E. None of these answers are correct.

These simple, symbolic graphics are often used for products that people of many different cultures use, so that there is no need for language translation.

A. icons B. citations C. hieroglyphics D. trademarks