How To Connect MIDI Keyboard To iPad (Wired Connection)
Lightning to MIDI Cable USB OTG Type B Cable for Select iPhone, iPad Models for Midi Controller, Electronic Music Instrument, Midi Keyboard, Recording Audio Interface, USB Microphone - Walmart.com
Neusonik iM/ONE Midi Interface-Kabel für iPad und iPhone | iPhone- / iPad-Zubhör | Studio & Recording | Musik Aktiv Onlineshop
Amazon.com: Lightning to MIDI Cable for iPad/iPhone, [Apple MFi Certified] USB - B Midi Cord for Midi Controller, Electronic Music Instrument, Piano, Midi Keyboard, Recording Audio Interface, USB Microphone : Musical Instruments