I have sung non-professionally all my life; church and school choirs, festivals, even a few weddings.
I have sung the Star-Spangled Banner twice for events. It is WITHOUT A DOUBT the hardest song to sing correctly that I have ever done.
Having said that, I wouldn’t change it for all the gold in Fort Knox. Hearing the Marine Corps Chorus sing it will bring tears to the eyes of a battle-hardened vet.
Texas' "Cactus Cuties" (ages 8-13) sing The National Anthem...