Presonus Studio One V2 Producer, software sequencer with unlimited audio tracks, MIDI tracks, included virtual instruments, integration of 3rd party plugins (VST and AU), MP3 im-/Export, Re-Wire, busses, and FX channels, Melodyne pitch correction integration (melodyne license not included), multitrack comping, transient detection and editing, 32bit audio processing, stunning virtual instruments, compatible with any ASIO, Windows Audio or Core Audio compliant audio interface, native effects, 32bit effects library with many plugins like dynamics processors, reverbs, modulations effects, amp simulators, etc. Includes additional software and sounds, Compatible with Windows and Mac