Although Gabriella Laberge’s lofty expectations for her America’s Got Talent audition nearly came crashing down at the first hurdle, the French-Canadian singer had high ambitions overall. Laberge played a nice violin part after an uneasy first interview, but it was the same as what you’d hear from any street musician on Main Street. While Simon Cowell readied his red buzzer to fire her, Laberge was planning an ace under her sleeve.