Task: Classify the mental state of the tweeter based on the tweet, determining if it is 'neutral or no emotion' or characterized by any of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust).
Tweet: Historically Japanese have always been into #jazz and #blues. The 70s dark age of jazz big names like C.C. &amp; M.D. were surviving on Tokyo.
This tweet contains emotions: 
anticipation, joy