Pickler's husband, Kyle Jacobs, died in February 2023

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The 31st annual Essentially Ellington High School Jazz Band Competition & Festival happened from April 30 to May 2

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"I can't do 'Illygirl,' though some of you could be in the audience," M.I.A. said at the show, referring to her 2010 track, according to fan footage on TikTok

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"Everyone in the hospital is sitting around going, 'What is up with this guy?' But I was like, 'I'm determined,'" he tells PEOPLE

© <p>Ashley Olson</p>