Michigan coach Jim Harbaugh sang the national anthem at a rap concert

Rapper Lil Dicky performed Saturday night at Hill Auditorium on Michigan's campus in Ann Arbor, and Wolverines head coach Jim Harbaugh got on stage to kick off the show by singing the national anthem.

ALERT: @CoachJim4UM just sang the National Anthem in front of a full crowd at Hill Auditorium

— Jen Calfas (@JenCalfas) April 3, 2016

An a〽️aizing rendition of the Nat'l Anthem featuring @lildickytweets & @CoachJim4UM. See on UofMichigan @Snapchat!

— UniversityofMichigan (@UMich) April 3, 2016

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I don't bring rappers out, I bring out head football coaches

— Young Man (@lildickytweets) April 3, 2016