The primary instrumentation for art song is

In the notation of ancient Greek music, the chronos was:

a. the basic unit of time in music. b. the concluding note of a song. c. the lowest tetrachord. d. the longest note value.

Under which circumstances is effective downward communication especially important and valuable (check all that apply):

a. During an economic recession when the company is struggling to stay in business b. before the office manager orders copy paper from a different supplier c. Prior to merging with another company d. Upon learning there is a fire within the company's manufacturing facilities.