Known as the “Voice Builder to the World,” – or simply “The Maestro” – Gary Catona has trained many of the worlds greatest singers and entertainers including:  Whitney Houston, Andrea Bocelli, Tony Bennett, Babyface, Gloria Estefan, Michael Mc Donald, Sade, Steven Tyler, Brian Wilson, Johnny Mathis, Usher, Robin Thicke, Shakira, Katy Perry, Lionel Richie, Annie Lennox, Toni Braxton, Seal, Boys II Men, Backstreet Boys, Pharrell Williams, Lenny Kravitz, Gino Vannelli, Draco Rosa, Andy Williams, Liza Minnelli, and Earth, Wind and Fire.