Including your opinion is fine, just keep it brief. The first paragraph should have been no more than two sentences--the readers will get your point. And musically speaking, I have no idea what this band sounds like. They have "chugga-chugga parts," "catchy riffs," "emo/"screamo"/indie/straight up rock tendencies," and are similar to a bunch of bands I've never heard. Next time, less yammering about your paradigm and more music review.
Including your opinion is fine, just keep it brief. The first paragraph should have been no more than two sentences--the readers will get your point. And musically speaking, I have no idea what this band sounds like. They have "chugga-chugga parts," "catchy riffs," "emo/"screamo"/indie/straight up rock tendencies," and are similar to a bunch of bands I've never heard. Next time, less yammering about your paradigm and more music review.