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: @indiamarshall_ that's great! It's not easy!\n&amp; it's amazing when nervousness turns into adrenaline 😂\nHad you had concerts as soloist before?
This tweet contains emotions: 
joy