The country vocal trio Sister C came by their name easily enough -- the trio features three sisters whose given names all begin with the letter C. Cirby Ryan Manchaca (born in 1990), Carli Rayne Manchaca (born in 1993), and Celbi Rheygan Manchaca (born in 1994) were all born in Mont Belvieu, Texas, a small town east of Houston, and grew up singing together. The sisters had a passion for country music with a traditional bent, ranging from the Dixie Chicks to George Jones, as well as vocal jazz, smooth R&B, and contemporary pop, and their father was a musician who performed in h...