Instruct: Classify Amazon reviews into positive or negative sentiment
Query: How can one classify this singer as a serious opera singer?

Just what I was afraid of. A list of vocal operatic arias including these two pseudo classical singers: Bocelli and Brightman. How can any serious catalogue list them along with the Domingos, Pavarottis, Curas, etc. Come on! This is not how the public will be educated...