Instruct: Classify Amazon reviews into positive or negative sentiment
Query: A good CD for all applications

This CD is great for testing your system as well as just cranking up with some mates. Before each track, a narator announces what frequencies are being used.Amongst other things, there is an SPL test included on the CD, as well as a simple 20hz track to test your system to the max.I noticed that the bass on this CD is louder and more pronounced at the same volume setting than other bass CDs, so you'll get more out of your amp than usual, which can't be a bad thing!!!This is an instrumental bass CD, so there are no explicit lyrics unfortuneately. However, if you want something to shake your car and wake up he neighbours, this is the CD for you.