Personification is giving human traits to nonhuman things or organism.
In this case, the feathers are personified as being able to "dance", when obviously it isn't exactly "dancing".
~
Answer:
Throughout the late 1940's and 1950's, MGM became the king of the movie musical. And this was largely due to the "Freed Unit." Freed's productions became so popular that the studio could afford to have a SECOND unit for musicals under the direction of Joe Pasternak.
In English pls this might fall in the Spanish section
True, it is good to include their name.