Amazon.com: FORE MIDI to USB Interface MIDI Cable Adapter with Input&Output Connecting with Keyboard/Synthesizer for Editing&Recording Track Work with Windows/Mac OS for Studio USB 2.0 Color Red - 6.5Ft : Musical Instruments
Amazon.com: MIDI Splitter Cable, MIDI 5 Pin DIN Plug Male to 2 DIN Female SmartPhone AUX Headphone Stereo Jack Adapter Y Input Cable for MIDI keyboard, electric piano, synthesizer, MIDI guitar :