What were the two ways early blues recordings were categorized??

2. what is von petzinger really interested in finding out through her studies in cave art?

Where does the wood yiri come from? i know it is somewhere in africa but a specific location, . worth 15 points hurry

Choose mozart or beethoven and describe in detail the contributions that he made to the classical era. be sure to include important musical compositions, classical characteristics commonly found in his works, and primary elements of his compositional style.