Task: Identify the primary emotion conveyed in the tweet and assign it to either 'neutral or no emotion' or one or more of the provided emotions (anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust) that best capture the tweeter's mental state.
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