Please analyze the tweet "@CovinoandRich just heard back2back,  guess that's why they call it the blues &amp; she's got the look, but I can only sing tickle sacks version" 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".
anticipation, joy