Steinberg The Grand 3 Virtual Instrument - contains five sampled piano models (Yamaha C7, Boesendorfer 290, Steinway D, Yamaha CP80 electric grand and upright piano), up to 20 different velocity samples for each key, convolution reverb, flexible equalizer, tuning editor. Compatible with Windows (XP and Vista) and Mac OS X 10.5. Supports VST, AU, Rewire and stand-alone formats. DVD ROM dual layer. Requires optional Steinberg dongle (order code: 178823)