Please analyze the 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?" and classify its emotional content. Choose from the following emotions: anger, anticipation, disgust, fear, joy, love, optimism, pessimism, sadness, surprise, trust. If no emotions are detected, respond with "neutral or no emotion".
joy