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--RANKED IN TOP 100 MUSIC APPS WORLDWIDE!*-- Voice Builder™ is a breakthrough iOS application for bringing power, resonance, range, flexibility, and endurance to the singing or speaking voice. It is the only application of its kind to be based on The Catona Voice Building System™, the revolutionary vocal exercise program for developing the muscles of the human voice. The Catona Voice Building System is the brainchild of renowned voice builder Gary Catona, who has trained many of today’s most s
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