Answer:
The music they created was original and easy to jam out to. Rock and roll used many instruments to make the sound even better, without using auto tune, like today's music which does not make the artists as unique. Many of 80s music had more meaning unlike today's music.
It would be the conclusion.
Constitutional; a constitute lawyer would be just stating he is definitely a lawyer. Constitutionally would means in most phrases regards how constitutional it is.
Therefore Constitutional would be the correct answer.