Trivia VS Knowledge

Have you ever met anyone with an encyclopedic knowledge of obscure rock bands? I knew a group of people in Los Angeles who spent their time browsing the used bins at record shops back in the days when music was recorded on vinyl (which is making a comeback these days, even though most kids have never heard anything other than compressed 128-kilobite-per-second digital recordings). Some of these people were so obsessed with obscure bands that they deserved the moniker "vinyl vermin." They coll...