Task: Categorize the tweet's emotional expression, classifying it as either 'neutral or no emotion' or as one or more of the specified emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that reflect the tweeter's state of mind.
Tweet: People were always afraid that stodgy squares would kill rock and roll, but the only legitimate threat was ever child choruses.
This tweet contains emotions: 
anger, disgust, fear