Final answer:
Aaron Douglas's painting 'Song of the Towers' characterizes the struggle and achievements of African Americans using an abstract style influenced by Cubism and limited color palette, reflecting iconic Harlem Renaissance themes.
Step-by-step explanation:
Aaron Douglas's painting, Song of the Towers, is an evocative visual narrative that encapsulates the experiences and aspirations of African Americans. Douglas meticulously integrates techniques gleaned from his portrait painting background as a muralist and illustrator into an abstract style that also draws upon Cubism's interplay of lines and planes. The color scheme in Song of the Towers is typically constrained to a palette of greens, mauves, browns, with black accents that contribute to the depiction of darker tones in the human figures, which represent the multifaceted social lives and struggles of African Americans.
Douglas's work, such as Let My People Go, features his signature flat style with silhouetted figures set against traditional tones of mauve and yellow gold. This style is reminiscent of the narrative of Moses leading the Israelites from captivity and relates to the theme of liberation from the oppression of African Americans. His employment of abstract geometric forms, limited color range, and stylized figures make his paintings distinct and symbolically rich, reflecting the burgeoning artistic dynamism of the Harlem Renaissance.