Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Nirvana rocks

The beauty of unplugged Nirvana. It rocks plugged or unplugged. These guys are fantastic musicians. I think all of their music is great. Buy all the cds, you can't go wrong. From the first to the last. The talent is fantastic. The remaining members should move on and rock some more music. Cleveland rocks and so does Nirvana.