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: When Duane Allman died, I learned to appreciate Stevie Ray Vaughan. True story.  #blues #legends
This tweet contains emotions: 
anticipation, optimism, trust