A legendary effect that's spanned 23 years and graced over 700 million albums.There is no doubt that the DigiTech Whammy Pitch-Shifting guitar effects pedal is a pedal board must have. Pitch shifting effects help a guitar performance stand out, and the Whammy pedal has been a core pitch shifting effect for influential artists for over 20 years. Whammy artists have won over 60 Grammys using the Whammy pitch shifting sound to enhance their music.