Which musician or musical group became popular after appearing on a talent reality show, Vanessa Petruo or Clap Your Hands Say Yeah?
Vanessa Petruo: Vanessa Anneliese Petruo (born 23 October 1979), also known as Vany, is a German singer–songwriter and actress. Clap Your Hands Say Yeah: Clap Your Hands Say Yeah (often abbreviated CYHSY) is the musical project of American indie rock musician Alec Ounsworth.
i don't know