MainStage lets you take your Mac to the stage with a full-screen interface optimized for live performance, flexible hardware control, and a massive collection of plug-ins and sounds that are fully compatible with Logic Pro. The Ultimate Live Rig • Perform live with over 100 instrument, effect, and MIDI plug-ins or your favorite Audio Units plug-ins • Add any patches from Logic Pro to bring your studio sound to the stage • Combine instruments and live audio, such as keyboards and vocals, in a si...