作词 : Michael Kull Pump it up Pump it up Pump it up Pump it up Pump Pump it up Pump it up Pump it up Pump it up Pump Pump it up Pump It up Pump it up Pump it up Pump it up Pump it up Pump Pump it up Pump it up Pump it up Pump it up Pump Pump it up Pump it up Pump It up It up! It up!