The piano became a popular instrument for middle-class families when
a. the civil war ended.
b. mass production became possible.
c. the transcontinental railroad was completed.
d. dvo ák composed the american.

When the percussion section played the theme, the theme was less recognizable since most percussion instruments aren't tuned to a pitch the instrument sounds included drums and cymbals both a and b neither a nor b

What is the best description of the parthenon

Which term is associated with the loudness of a sound