7,000 People Sing The Star-Spangled Banner

The Star-Spangled Banner sung by 7,000 people inside MGM Grand Garden Arena. At the Barbershop Harmony Society’s 2014 International Convention in Las Vegas, Nevada, the MGM Grand Garden Arena crowd was led by Mike O’Neill on the singing of America’s national anthem, The Star-Spangled Banner. What did you think? Please leave a comment in the section below and remember to share the video and sign up for our free newsletter!