This is not a question, but more of a statement and/or scenario.
If this is about checking the grammar, for some report or something, it looks good. I find no errors.
I tried looking up this, and it has not been previously stated anywhere, so I don't know where your getting the question.
Comment to me if there are multiple choice answers or something, I'll try my best to answer.
I would say adjective clause
Voice... It is often referred to as a voice.
The Beetoven pieces and Mozart pieces are like the "shake it off" these days. Unlike some composers these composers were very popular and I may be hard to tell but Mozart used to be Katy Perry (joke because they both have weird hair.