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: I feel like singing the song human sadness by Julian Cassablancas and The Voidz or some other sad music. #depression #sad #sadness
This tweet contains emotions: 
pessimism, sadness