Police on Tuesday arrested a popular Brooklyn marching band's instructor for allegedly taping shut the mouth of a young boy.

Officers took Kenyatte Hughes, 39, into custody at around 6:45 a.m. and was charged with endangering the welfare of a 9-year-old boy, assault and criminal possession of a weapon.

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Authorities identified the weapon as the duct tape used to shut the boy's mouth.

Police said the boy's parent's filed a complaint after the boy told them of the incident on Oct. 26.

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Investigators also said the boy was treated for a laceration to his lip and swelling on both sides of his mouth.

It was unclear if Hughes, who has led the Soul Tigers marching band for more than a decade, obtained legal representation by Wednesday morning.

In January, Hughes — who works as a independent contractor at J.H.S. 292 in East New York — fought against the school shutting marching band out of its practice space. Hughes revived the program in 2003 after serving in the Marines.