Each song in the Music Genome Project is analyzed using up to 400 distinct musical characteristics by a trained music analyst. These attributes capture not only the musical identity of a song, but also the many significant qualities that are relevant to understanding the musical preferences of listeners...The Music Genome Project's database is built using a methodology that includes the use of precisely defined terminology, a consistent frame of reference, redundant analysis, and ongoing quality control to ensure that data integrity remains reliably high. Pandora does not use machine-listening or other forms of automated data extraction.
They replaced all those things with a "what are your top ten favorite music albums?" and suddenly everybody got along just fine.
This may not be the right discussion for this, but I couldn't find any mention of them on this site and thought people might be at least a little interested.Les Horribles Cernettes - the first band on the internetstuff from their website at http://musiclub.web.cern.ch/MusiClub/bands/cernettes/