Justin Bieber Vocal Chords 

Mama Jan helps Justin Bieber through some vocal issues while Justin gets ready to rock the stage!
Mama Jan Smith is a Grammy nominated producer, multi-platinum certified vocal coach, GA Music Hall of Fame Inductee, a singer, songwriter, and musician. Mama Jan is the owner and founder of Jan Smith Studios in Atlanta, GA, offering a wide range of services to artists, producers, and record labels.
JanSmith.com/
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