Children Party entertainers for Rock Star theme needed

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My 5-year old son wants a rock star party. He dreams about going on stage as a rock star. I am searching for a children entertainment company that can make this theme fun. Not sure who it should be. Best few people together that are great with kids, know what kids need, are full of energy, entartaining, engaging, can play instruments, can organize some v. Simple jam session for 5/6 year old, can do sth dancing and generally bring this theme to life. I am thinking both about professional party entertainers and a non professional entertaining music band that has talent, would be up to the challenge and wants to earn sone extra money. Sth with hogh energy and engaging for all kids so that everyone can participate. Any suggestions? Thank you in advsnce.