What is the main conflict in Blues for an Alabama Sky by Pearl Cleage?

Angel is a struggling blues singer and nightclub performer who cannot find a job. Her friend Guy, a costume designer, is also out of work but dreams of being hired to design dresses for the famous African-American singer and dancer Josephine Baker, who is living in Paris. Their neighbor Delia, a social worker, is trying to organize a family planning clinic in Harlem. Their friend Sam, a doctor, works long hours delivering babies at the Harlem Hospital.