Im almost positive its billy strayhorn
I believe John Cage is linked with aleatoric music.
Hope I helped! :)
During this time in the Romantic Era, the umbrella term "classical music" began to be accessible for all people and not just the group of elitist social upper class. A more diverse group of people started to attend concerts.
I addition to this, there were more woman composers. Woman not only started to write music but also started to perform and teach music as well. Some of these women include Fanny Mendelssohn and Anna Maria Mozart
In the Romantic Era, there was a deep sense of nationalism as well. There was pride in homeland and traditions embedded in music including folk songs and dances.
C and D. Pop art has many vibrant colors that are used on many pop culture idols. For example, Andy Warhol does many pop art works. Look him up if you want :)