Discover Grid Music Midi Player for iPhone & iPad. Play over 36 instruments, connect to Ableton Live, create MIDI controllers, learn scales, and perform with a unique 64-pad layout. Grid Music Midi Player contains four major components: - Grid Music Midi Player - Grid MIDI Controller - Scale Finder - Song Key Finder You can connect your iPhone or iPad to your Macbook, enable Midi on your Macbook and start playing VST instruments in perfect scale with this 64 Grid Pad Midi Player.