The Next Generation of the Worldwide Standard in Professional Pitch Correction * The Fastest, Easiest-To-Use, Highest-Quality Tool for Correcting Pitch * Auto-Tune Evo"s MIDI functions require that your computer be equipped with a MIDI interface and properly configured system level software * Auto-Tune Evo authorization requires an iLok USB smart key and the ability to access ilok.com (on any computer)