". However, it's possible that you mean to use "Here" as a kind of exclamation, in which case "is" is not required but you do need some sort of punctuation after "Here", at minimum a comma I would say. "showing my emotions towards you guys best" feels awkward to me ("best" feels a bit lost at the end).
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PrpleHere a song for you, showing my emotions towards you guys bestThis could be better.