Fact Mayor on Instagram: "During one of his concerts, Michael Bublé invited a fan on stage, expecting a fun, light-hearted interaction. To his surprise, the fan wasn’t just an enthusiastic supporter—he could actually sing. As the fan began performing, Bublé quickly realized the person’s voice was remarkably good, creating a spontaneous and memorable musical moment for both the audience and himself. This unexpected discovery turned a simple fan interaction into a highlight of the show. Bublé’s re