Anthropomorphic involves the act of giving the characteristics of humans to other things. This is an imagery used where human characteristics are given to non-living things. I think it is being used since it can depict certain factors in the human life but still being subtle about it. Another reason is that it shows creativity in the work.
The classical and/or upbeat music, The lyrics that stay in everyone's minds, and similar problems or similar conflicts within their lives.
A triad IS a type of chord. True
In 4/4 time a quarter-note gets one beat.
