Which of the following genres continues to have a close relationship to the blues?

The earliest collections of slave songs were

a. an attempt to transcribe performances into European music notation b. fairly accurate representations of the music c. attempts to cash in on the high demand for African American sheet music d. instrumental and vocal arrangements of traditional African songs

From this statement, we should deduce

The concept “efficiency” has quite different meanings for economists (money out/money in), biologists (energy out/energy in), and political scientists (influence exerted/political capital expended) a. That as interdisciplinarians we must often bring out common meanings, making them applicable to different texts and contexts. b. It is impossible to integrate insights from economics, biology, and political science because the vocabulary cannot be integrated. c. Economists, Biologists, and Political Scientists cannot define words accurately.