Considering how readily musicologists criticize one another – witness the merciless footnotes (and reviews) of so many books and articles – the innocentbystander must find it strange that they remain unwilling to venture judgments about the quality of the music around which they work…But it is hard to see what can be the purpose of musicology if not to advise people on what to hear and how to hear it. Separating out the good, the bad and the indifferent, and helping listeners enjoy the best, is surely the least we can offer society in return for our keep.
Daniel Leech-Wilkinson (1997), "The good, the bad and the boring", Companion to Medieval & Renaissance Music. Oxford University Press. ISBN 0198165404.