Samuel Barber's lyrical melodies exemplify which twentieth-century art music trends?

Which of the following influenced Degas in his technique of using spatial projections and off-center empty space to create illusion and direct the viewer's attention into the picture?

a. Japanese woodblock prints b. 16th-century German woodcuts c. 15th-century German engravings d. Islamic tilework

What cultural changes have allowed women to succeed as composers and conductors, two roles traditionally dominated by men?

What will be an ideal response?