Instruct: Classify Amazon reviews into positive or negative sentiment
Query: WORST ROCK FESTIVAL FILM EVER!

I could go on and on, but briefly - if you are a filmmaker and you spend 100 times more time in your film showing gatecrashers throwing rocks at a tin wall than you do Miles Davis fronting one of the greatest jazz bands of all time, or Jim Morrison or Jimi Hendrix giving their last performances, than you are an idiot. This film is an agony to watch for any true music lover. Also, one last word folks (and this is true for Altamont too), don't judge the motives of the entire love and peace generation by the results of an incompetently organized rock event. As Seth and Amy would say, "Really!"