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: If you love singing, but don't have time for a weekly choir, come down to #KWOIR at @theartworksuk tomorrow! #Choir  #musiclondon
This tweet contains emotions: 
joy, love, optimism