Task: Categorize the tweet's emotional tone as either 'neutral or no emotion' or identify the presence of one or more of the given emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
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