Task: Evaluate the tweet for emotional cues and classify 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 indicate the tweeter's state of mind.
Tweet: Rockin to  Bob Dylan singin'  Bob Dylan's 115th Dream on LPCO Klassic Rock #classicrock #klassicrock #rocknroll #blues #onlineradio
This tweet contains emotions: 
joy