It's been 20 years since Cher's song "Believe" topped the Billboard pop chart.
According to one estimate in the New York Times, at least ten songwriters — credited and uncredited — worked on the lyrics and melody for "Believe," but Cher wasn't happy with the result. Then, producer Mark Taylor tried running Cher's vocals through a new voice-tuning software program, which digitally distorted her voice.
That version of "Believe" became Cher's first number one hit in a quarter century. It also popularized the use of Auto-Tune as something more than just a quick fix for a singer's pitch.