[It is a music question] but here the question Explain this chord progression shown here. but there is no chord progression being shown though.

Because of its aerodynamic shape

Ithink collage romare bearden create emotional affecting images because we was able incorporate the use of crafts such as, craftwork quilts which was something learned by the necessity of making artwork out of whatever materials were available. it allows him to express his belief in the connection between social reality and art. he is able to share his personal experiences as an african-american, from the rural south to the urban north and to paris, through his work.