This article is from the Progressive Music FAQ, by Phil Kime(Philip@kime.org.uk) with numerous contributions by others.
Nothing. People who write reviews should not be held responsible for
whether everyone reading the review agrees with them or not. Since
everyone has a different idea of what is good and what is not, take
that into consideration before buying. When reading reviews, you may
want to read as much as you can by a particular author to see if that
person's tastes seem to be close to yours. If you disagree with the
author's opinion 50% or less of the time, then you should think twice
about buying something on that person's recommendation. In general,
it is better to get a consensus of more than three opinions before
you make a purchasing decision, or even better, try to listen to the
music before buying it. While it can be very hard to find obscure
progressive music to buy, much less to listen to, you can listen to
a friend's copy first, or ask someone to tape a copy for you. I have
bought things based on minimal information (usually in the grip of
a CD frenzy at a fair with cash in my hand) and it has been truly
awful when I listened to it at home. You should expect some misses,
even ones that cost consideralbly, in such a diverse field. Actually,
since reading r.m.p and the *GEPR* (see FAQ 5, FAQ 7 and below),
my misses have become much less #frequent. r.m.p saves you money.
 
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