That's definitely informal because of the contractions used such as "'cause" and "y"all" and also because of the word phrasing such as "chow down" and "totally awesome."
Assonance was used in lines 3 and 4.
Assonance is when sounds of vowels are repeated to create a sense of despair.
Hope this helped and pls mark as brainliest!
~Luna
<span>A) Even the teachers enjoy learning fun facts about music from Music Quest.</span>