Instruct: Classify a given review into positive or negative sentiment.
Query: Awful sound

I have thousands of SACD, DVD Audio and Dualdiscs. I mean, I know perfectly when a remaster worth it. This one DEFINITELTY is not a good example of sound upgrade. Horrible mix. Horrible sound.The others REM's editions (DVD + CD) are a very good example, but not this Dualdisc.