Which of the following is a musical composition for an unaccompanied keyboard or other instrument with only keyboard accompaniment?

Compare and contrast Balinese and Javanese gamelan styles

What will be an ideal response?

How were bebop harmonies different than swing-era harmonies?

a. they were not much different than swing-era harmonies b. they used fewer chords, simplifying the harmonic language c. they used the same basic chords, but sped up the changes d. they emphasized the upper parts of chords such as ninths and elevenths