Attach Audio track to notion ios iOS 11 running Core MIDI compatible app MIDI interface Windows 10 running Notion 6 Add N-Tempo to iOS app Count-in on Notion IOS is hardly missing Notion iOS to allow MIDI out over Bluetooth + presets for VSTi's (& switch back to Notion sounds when away from LAN). Special MIDI cables are required, and two 1.6 metre cables are included.