In order to use MainStage, you’ll need the following gear:KeyboardMost professional keyboards with MIDI will work with MainStage. We recommend using a keyboard with 88 keys, 5-pin MIDI, and inputs for a patch advance footswitch and expression pedal. Click here to read more about choosing the right keyboard.PedalsYour keyboard likely comes with a sustain pedal, but a footswitch for advancing patches and an expression pedal are extremely helpful, and in most cases, practically necessary. Click here to read more about pedals.Macintosh computerWe recommend a MacBook Pro or Mac Mini, 16 GB of RAM, and plenty of hard drive space. You can purchase and download MainStage from the App Store. Click here to read more about choosing the right computer.Audio interfaceAn audio interface is a device that connects your computer to the sound system. In an ideal setup, it also handles the MIDI between your keyboard and computer. Click here to read more about audio interfaces.CablesThe specific cables you need will depend on your setup, but most people need a 5-pin MIDI cable and 1⁄4” audio instrument cables. It’s a good idea to have spares.Power strip with surge protectorYou need mutliple receptacles to power your computer and keyboard, so try to use one with surge protection.